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Big Data Analysis of Traditional Knowledge-based Ayurveda Medicine

Singh, Harpreeta,,b; Bhargava, SapnaC; Ganeshan, Saileshb; Kaur, Ravneetb; Sethi, Tavpriteshd; Sharma, Mukeshc; Chauhan, Madhusudanc; Chauhan, Neerjac; Chauhan, Rishipalc,,e; Chauhan, Partapc,,e; Brahmachari, Samir K.a,,f

Progress in Preventive Medicine: October 2018 - Volume 3 - Issue 5 - p e0020
doi: 10.1097/pp9.0000000000000020
Original Research
Open
SDC

Introduction: Modern medicine has embraced data-driven understanding of health, principally through electronic medical records. However, Ayurveda, which is the dominant traditional medicine system in India, much of it is still practiced without digital records.

Methods: In this study, 353,000 patients’ data were captured digitally by ~300 Ayurveda doctors over teleconsultation and in-person consultations. The entire dataset was analyzed based on age, sex, region, chronicity, Vikriti, disease morbidity, and comorbitidy and reported effectiveness of the treatment.

Results: Younger patients were found to use more Ayurveda telemedicine, but all age groups were well represented. It was found that 82% patients had disease chronicity greater than 1 year. About 85% of the diseases were related to 6 organ systems, digestive (30.6%), endocrine (14.6%), skeleton (13.5%), skin (11.2%), nervous (7.6%), and respiratory (7.4%). The network analysis of the data revealed difference in sex and age-based patterns. Disease of endocrine and cardiovascular systems become comorbid for patient population at older age-groups as also observed in case of modern medicines.

Conclusion: Within the limitations of using practice data from a single large group of Ayurveda practitioners, this represents the first data-driven view of Ayurveda practice in India. In spite of 82% of all the patients having chronic diseases, Ayurveda treatment offered complete or partial relief in more than 76% of cases, and only 0.9% reported aggravation in symptoms.

aAcademy of Scientific and Innovative Research, New Delhi, India

bOxyent Medical Private Limited, New Delhi, India

cJiva Ayurveda, Faridabad, India

dWellcome Trust/DBT India Alliance Early Career Fellow at Department of Pediatrics, All India Institute of Medical Sciences, New Delhi, India

eJiva Institute of Vedic Science and Culture, Faridabad, Haryana, India

fCSIR-Institute of Genomics and Integrated Biology, New Delhi, India.

Published online 27 September 2018

Supplemental digital content is available for this article. Clickable URL citations appear in the text.

Harpreet Singh and Sapna Bhargava contributed equally to this work.

Address reprint requests to Samir K. Brahmachari, PhD, CSIR-Institute of Genomics and Integrative Biology, Mathura Road, New Delhi -110020, India. E-mail address: skb@igib.in (S. K. Brahmachari) and Partap Chauhan, Jiva Institute of Vedic Science and Culture, Faridabad, Haryana, 121001, India. E-mail address: drchauhan@jiva.com (P. Chauhan)

This is an open-access article distributed under the terms of the Creative Commons Attribution-Non Commercial-No Derivatives License 4.0 (CCBY-NC-ND), where it is permissible to download and share the work provided it is properly cited. The work cannot be changed in any way or used commercially without permission from the journal.

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Introduction

Understanding of healthcare in an objective data-centric way involves reliable and reproducible generation of analysis of large curated dataset. At present, the global cost of medicines is 1.2 Trillion USD[1] out of which, 60% of market demand is driven by United States, European Union, Japan and Canada. These developed countries demand is primarily modern medicine (branded or generics) and the dataset, that is, electronic medical record for modern medicine’s clinical trials, usage exists and act as a platform for analysis of the patient treatment. These electronic medical records and reporting of clinical data have been the basis for international ethical, scientific, and standardized clinical practices.[2]

Thirty percentage of the global medicine demand is from a combination of China, India, Russia, Brazil, South Africa, Pakistan, Mexico, Indonesia, Egypt, etc. In these countries, medicine usage is predominantly traditional medicines[3] (which is defined as medicines from China, India, Japan (Chinese Medicines, Ayurvedic and Kampo). As per World Health Organization data,[4] in China traditional herbal preparations account for 30–50% of the total medicinal consumption, whereas in Africa, up to 80% of the population uses traditional medicine for primary health care. The population of these countries (Brazil, India, China, Russia, South Africa, Pakistan) accounts for more than 45% of the world population,[5] generating traditional medicine business of around 100 Bn USD.[1] The reason of popularity of traditional medicine in these countries is mainly due to lack of access to modern medicines. In developed countries, mild adoption of traditional medicine is mostly seen in the form of dietary supplements (also referred as Complementary and Alternative Medicine in integrative settings in Europe and North America[6,7]).

In India, 60% of registered physicians are involved in traditional and alternate systems of medicine.[8] There are about 700,000 registered practitioners of traditional medicine (majority in Ayurveda[9–11]) and around 650,000 registered practitioners of modern medicine in India.[8] India has given official recognition to traditional systems of medicine and created AYUSH department.[12] Medical delivery in most of the traditional medicine setup is either oral or paper based, and it is not reflected in current health databases. Also, lack of information on drug-herbal interactions, limits on what practitioners can cure and absence of digital records acted as an inhibitor in establishing the efficacy of traditional medicine,[13] in spite of being practiced for centuries with documented high outcome.[9] There are not enough well-controlled clinical trials and systematic research reviews of traditional medicines, for example, Ayurveda, in comparison with modern medicine research to prove that the approaches are beneficial[14] although many of the modern medicines are derived from the traditional medicine.[15]

Given the magnitude of traditional medicine and amount of population it is catering, lack of data (ie, electronic health records) to understand its efficacy in the treatment of diseases is a major gap in this field. Telemedicine and associated telehealth technologies[16] supplement the current clinical settings (especially in developing countries) by improving doctor efficiency. Modern computation and communication technologies enable telemedicine and automate the generation of electronic health records. We for the first time used similar digital datasets that captured traditional medicine practice (Ayurveda) and used paper-based records of patients (postdigitization) as a comparator. Here, we provide a descriptive analysis of the spectrum of medical problems and extent of relief based on current dataset for Ayurvedic healthcare services in India. We also used big data analytics techniques to understand the underlying structure of data and any interventions.

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Methods

Data background

In this article, we evaluated patient data collected during the Ayurveda consultation at Jiva Ayurveda.[17] Jiva Ayurveda has been providing health care consultations over a phone (telemedicine framework) generating a large amount of contact dataset for several years. The target population of this dataset is primarily Hindi speaking population of north and western regions of India.

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Data analysis framework

The telemedicine data were analyzed based on 8 features that is age, sex, region, chronicity, Vikriti, effectiveness of treatment (EOT), disease, and medicine. These features were further segregated into different categories to generate a framework of data which were used for analysis (Fig 1).

Fig 1

Fig 1

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Data collection

The telemedicine process begins with the patient calling the helpline and requesting for a call back from an Ayurveda doctor. Jiva Telemedicine center comprises of 160 BAMS and 12 MD doctors, who call the patients, and capture their demographics, phenotype/disease, current symptom(s) and chief complaints.

Patient’s Vikriti assessment[9,10] (Supplemental Digital Content 1, http://links.lww.com/PP9/A3) is done by the doctor, based on a series of questions with the patient participation and a profile for the disease is created. Based on the case profile and Vikriti assessment, an Ayurvedic line of treatment and prescription of medicines are generated for the patient. The EOT is periodically captured by the doctor and the quality assurance team.

The curated dataset of 353K records spanning over a period of 3 years (2,012–15) was de-identified (Fig 2). These data comprised of 318,618 telemedicine patients data and 34,929 patient data digitally captured from clinics which have been functioning only for last 2–3 years.

Fig 2

Fig 2

From 318K telemedicine patient data, 125K patient data contain documented Vikriti assessment and 107K patient consultations have a measurement of the EOT, that is, the extent of relief. 47.5K patient data represents the complete data with all the parameters (patient demographics, prescribed medicines, EOT, and Vikriti measurement). Patients who are comorbid will have multiple disease entries for a given consultation. This is the reason why 318K patients generated a total of 394K records. It is important to highlight that the analyzed telemedicine dataset in this article comprises data of different patients across all age groups at a given time point.

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Data analytics

The flow of data analysis pipeline in terms of the base, derived and advanced analysis (Fig 3)) is presented. Base data analysis was performed on patient data using a single feature namely age, sex, disease, geographical region, Vikriti, chronicity, and effectiveness of the treatment (Fig 1). Derived Analysis involved combining more than one aligned feature to understand their inter-relationship. Based on the derived analysis, it was identified that certain variables and interconnections were important to be explored through advanced analysis for better understanding of data. In advanced analysis, the inter-relationships between age, disease, and sex were looked into. The color coding used in this article to visualize dosha is (1) Vata – blue; (2) Pitta is red; and (3) Kapha is green.

Fig 3

Fig 3

The data for analysis was performed in the form of a curated binary matrix representing the prevalence of a disease feature among the patients. The patients are represented by Patient ID, while the presence or absence of a feature is indicated by 1 or 0, respectively. The curated matrix is prepared for each age group, and the information is aggregated and transformed suitably for the visualization. For visualization of results, Alluvial Charts[18] were generated to see:(a) The disease pattern shift with age and (b) how sex plays a role in diseases across age. The alluvial chart depicts different modules formed by diseases based on their co-occurrence. To classify Ayurveda diseases existing disease elements (318) were grouped into 106 modern medicine subdisease type and eleven organ system (Supplemental Digital Content 2, http://links.lww.com/PP9/A3). Equal size samples (17,700) of patient data were randomly selected for each age group across diseases. These samples were used to create network-based interlinking between different diseases. The strength of interconnections was measured using Jaccard’s similarity measure[19] between different diseases. This similarity measure was used in construction of a weighted network of diseases stored in a standard network format using Pajek software.[20] The results were visualized through a network-based alluvial[21] generator that is based on a map equation which emphasized the associations between diseases.

Vikriti distribution of analyzed patient data were compared with prakriti distribution of 960 healthy volunteers of an independent study.[22] It was ensured that the location information of the randomly selected 960 patients (repeated 100 times) was similar with the location information of the healthy volunteers.

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Results

The proportion of patients belonging to different states was normalized by the entire patient population and has been visualized separately for telemedicine and clinic patients (Fig 4A, B). The location information of respective telemedicine centers and clinics has been represented by pins on the map. It is evident from the figures that telemedicine data spans across India whereas, the clinical data belongs to a specific location. Also, the patient count of telemedicine across India is much higher than their distribution across the captured clinic data. To find the Vikriti distribution for telemedicine and clinical data we used equal-sized samples, shown in the respective distribution pie charts (Fig 4C, D) to find whether the telemedicine-based analysis is different in any way from clinic-based analysis. This exercise was deemed necessary to substantiate that there is no difference when patient’s Vikriti assessment is done through physical verification at clinics, or as a series of questions over a telephonic conversation. We performed Chi-square and analysis of variance tests on the sampled Vikriti data of telemedicine centers and clinics to evaluate statistical significance (Fig 4).

Fig 4

Fig 4

People of all age groups (Fig 5A) are using Ayurvedic treatment and found that 82.5% of the patient base belongs to the middle age groups (20–60 years). It is generally believed that traditional medicine is used by the older population. However, we found that the age group 20–40 years constitutes 47% of the telemedicine patient data. Although 65% population of India is below 35 years,[23] patient data follows a Gaussian distribution with a peak at age group between 30 and 40 years (Supplemental Digital Content 3, http://links.lww.com/PP9/A3). We also analyzed the distribution of patients based on sex. We found that the patient distribution is slightly male dominant [male: 57.8% (184,200); female: 42.2% (134,418)].

Fig 5

Fig 5

Diseases related to the digestive system were found to be most dominant contributing to 30% of the patient population (Fig 5B). The diseases under 6 organ systems (digestive, skin, endocrine, nervous, skeleton and respiratory) comprise 85% of the patient data.

Most of the patient population, represented in telemedicine consultations, were chronic in nature. We found that of the 287K chronic patients, 82% patients had chronicity for 1 year and above (Fig 6A, B). It was observed that 77% of the patients have chronicity up to 5 years.

Fig 6

Fig 6

To better understand how the patient distribution changes with age and disease, we used an alluvial chart (Fig 7A). This revealed that the diseases related to Digestive system are most frequent across all age groups. Skin was prominent at a very early age group (10–30 years) followed by Endocrine in the age group (30–40 years) and Skeleton system dominated at older ages (> 40 years). Three most prevalent diseases in each of the 6 major organ systems are listed in Supplemental Digital Content 4 A-F, http://links.lww.com/PP9/A3.

Fig 7

Fig 7

The dataset was classified based on sex because the prevalence of diseases is different for males and females. It was observed (Fig 7B, C) that Digestive remains most prominent disease for males while for females, Skeletal disease grew dominant after the age group 30–40 years. For the female population, Skin disease was observed to be dominant in the initial years. A bimodal behavior was observed in the Endocrine organ system of females for the age groups 20–30 and 40–50 years respectively. In these age groups, Obesity, Thyroid and Diabetes were found to be the 3 most prominent subdiseases (Supplemental Digital Content 4F, http://links.lww.com/PP9/A3). For the male population, Skin and Sexual diseases show greater prominence in age groups of 10–30 and 30–40 years, respectively. Based on chief complaints mentioned by a patient, the cases were further classified into multiple organ systems (comorbid) and single organ system (noncomorbid). Alluvial chart for comorbid patient population (Fig 7D) shows that Digestive, Endocrine, and Skeleton are prominent in comorbid patients. We also observed that the working-age population (20–50 years) suffers from 3 frequent diseases of the Nervous system that is, headache, psychological disorders and spinal disorders (Supplemental Digital Content 4B, http://links.lww.com/PP9/A3).

We found that the Vikriti distribution of patients (Fig 8A) was predominantly Vata in nature, followed by Pitta and Kapha. It was also evident (Fig 8B) that Vata was most dominant post 30–40 years and increases with age. Kapha was highest in early (0–10 years) age group, and Pitta enhanced during age group 20–30 years.

Fig 8

Fig 8

When the Vikriti distribution for each specific disease was observed independently, it was found that the dominant dosha in different disease categories was different. Results indicate that diseases of the organ systems can be broadly classified based on their predominant dosha. It was observed that diseases of Skeleton, Nervous were Vata dominant (Fig 9). Endocrine and Respiratory disease categories were dominant in Kapha, and Skin was Pitta dominant. Vikriti distribution of digestive (Fig 9) showed dominance of Vata and Pitta.[24] We also observed the dissimilarity of vikriti distribution of few disease categories from the organ system to which it belongs to (Supplemental Digital Content 5, http://links.lww.com/PP9/A3).

Fig 9

Fig 9

Comparisons between Prakriti assessment (a healthy balance of dosha (Fig 10A) of western and southern Indian healthy volunteers[22] for age group (20–30 years) and Vikriti data of patient group (Fig 10B) for the same age group from same geographical location in telemedicine dataset was made. The results showed that pure Prakriti distribution was Kapha (41%), Vata (41%), and Pitta (18%). While in Vikriti data of patient group, Pitta (40%) was most dominant followed by Vata (37%) and Kapha (23%). It was found that Vikriti data of patients had higher Pitta compared with healthy normal individuals.

Fig 10

Fig 10

Alluvial chart showing the interconnection between diseases (Fig 11) was generated using the web-based tool MapEquation.[21] The width of the alluvial bands corresponds to the relative strength of a module (which can be a disease, subdisease, a system or a combination). The position of diseases along the y axis is anticorrelated to their respective prevalence, thereby implying that lower the position, higher is their prevalence. It was observed that Endocrine and Cardiovascular become comorbid for both males and females at higher age group. As the age increases, the prevalence of Skeleton disease was also higher.

Fig 11

Fig 11

To understand sex-based differences on the age of onset of comorbidity, we carried out the same exercise on male and female population. Cardiovascular comorbidity with Endocrine is found to be clearly visible in males much earlier age group (before 30–40 years) compared with female where this phenomenon is seen in later age group past (40–50 years) (Supplemental Digital Contents 6 and 7, http://links.lww.com/PP9/A3). Similarly, Gynecology and Skin-related complaints remain a dominant trend in females up to the older age group (50–60 years). While in male Urinary problems are dominant at later age group while Respiratory complaints are among dominant disease until 20–30 years.

Telemedicine consultation database had 261 medicines that consist of tablets (133) and powders/churans (128). A patient is given a personalized prescription by mixing together a unique combination of powders and tablets (Table 1). Table 1 shows the classification of these medicines against the associated Vikriti, which these medicines alleviates.[25,26] Predominantly medicines are alleviating Vata-Kapha and Vata-Pitta combinations.

Table 1

Table 1

The EOT of a patient recorded (Fig 12) by doctors in telemedicine patients elucidates that 76% of the patient population have received relief through Ayurveda consultation and only 0.9% have reported aggravation of the condition.

Fig 12

Fig 12

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Discussion

Ayurveda is an ancient system of personalized medicine documented and practiced in India since 1500 B.C.[9,10,25] Ayurveda is not only integrated in the Indian healthcare system but also presently recognized in an integrative setting in Europe and North America.[27] Assesment of the disease state (Vikriti) and treatment in Ayurveda system depend on the deviation of an individual from healthy state (Prakriti).[9,10,25] It is also considered Whole Medical System[28,29] and provides a biological basis of human individuality through the interplay of Prakriti and Vikriti.

Analysis of large dataset of telemedicine patients treated by traditional knowledge-based medicine as prescribed in Ayurveda presented here provides several new insights on chronic noncommunicable diseases. Across the world, new efforts are undertaken in modern medicine, to combat chronic noncommunicable diseases, based on integrated care and system medicine as a part of P4 (Predictive, Preventive, Personalized, and Participatory) medicine.[30–32] These new initiatives are shown to have a convergence of both eastern and western principles of health care.[33]

Various ongoing studies have tried to establish a molecular correlation of modern medicine with prakriti based endo-phenotypic analysis in Ayurveda.[34–39] These attempts have integrated the concepts of P4 system medicine and aiming to establish relationships between the phenotypic classification of Ayurveda (ie, Vata, Pitta, and Kapha) and modern genomic analysis leading to the emergence of a new field of Ayurgenomics.[40]

The current data provided proof of efficacy of specialized Ayurveda treatment over telemedicine via experienced doctors. EOT obtained in the data shows that traditional medicine is a good option for noncommunicable chronic diseases. Among the diseases associated with Endocrine system Supplemental Digital Content 4f, http://links.lww.com/PP9/A3), there is a high prevalence of obesity between 20 and 40 years, while in 40–60 years the patient population showed a high prevalence of Diabetes. Similarly, in Skeletal system Supplemental Digital Content 4E, http://links.lww.com/PP9/A3) 20–40 years age group shows a dominance of Arthritis while above 40 age group shows a high prevalence of Osteoarthritis. These results suggest the need for longitudinal trials on a controlled population to see if these diseases manifestation can be controlled through Ayurveda. It is important to mention that the prevalence of diseases reviewed as part of current telemedicine dataset is different from World Health Organization data on noncommunicable disease data of India[41] wherein cardiovascular diseases, cancer, chronic respiratory diseases and diabetes make the largest contribution to high disablement and mortality in India. But this difference of disease set might be due to the availability of published modern medicine data for India in contrast to the lack of traditional medicine practice data for these diseases. Our analysis shows that Ayurvedic treatment becomes a preferred choice in India when the diseases are chronic and non–life-threatening.

Another study in modern medicine which focused on the Indian population analyzed a dataset of 204,912 patients[42] visiting primary health care practitioner on a single day. These were not specialized physicians and they primarily dealt with nonchronic diseases. Analyzed data shows fever (35.5%) was the most common presenting symptom. Diseases under Respiratory organ system were the most common across age groups. Other 3 prominent organ system diseases were Digestive (28%), Circulatory (14%) and Skin (11%). Thus, similar analytics gave different diseases and interrelationships based on chronic versus nonchronic and specialized versus nonspecialized patient needs. However, it is evident from the data presented here that chronic noncommunicable disease patients are a major beneficiary of the traditional ayurvedic knowledge-based system.

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Conclusions

It was observed that more than 80% of the patients coming for Ayurveda treatments were suffering from chronic diseases for more than 1 year. Even though our dataset contained patients diagnosed in clinics and over telemedicine, the statistical distribution of measured parameters from both were similar. Disease profile across sex showed that male and female have different disease prevalence across age groups. Digestive was highest as a single disease category and its co-occurrence with other diseases was also highest among other disease categories. Even with mostly chronic diseases, the EOT was obtained in more than 75% of the cases. Most remarkably it was seen that condition aggravated cases obtained in telemedicine data were only 0.9% of overall data. Percentage of EOT might get further improved if people would approach Ayurveda before the disease gets more chronic. Ayurveda treatment before chronic stage has the potential to reduce burden of ever-increasing healthcare cost.

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Acknowledgments

The authors profoundly thank Dr. Anurag Agrawal for his enormous scientific and technical inputs. The authors also thank Dr. Bhavana Prasher, Dr. Mitali Mukerji for technical discussions. The authors also thank Dr. Koundinya Desiraju and Steve Rudolph for going through the draft and giving valuable comments. The authors thank Vaishali Joshi Mehta and Ruchi Yadav for article editing. The authors also thank the team of doctors at Jiva Ayurveda who have collected the patients data and Jiva Ayurveda for providing access to the anonymized data for analysis. Full financial support from Jiva Institute of Vedic Science and Culture is duly acknowledged. Professor Samir K. Brahmachari acknowledges J C Bose National Fellowship of Department of Science and Technology, Govt. of India.

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Disclosure

S.K.B. has been advisor to Jiva Institute of Vedic Science and Culture. P.C., R.C. has financial interest in Jiva Ayurveda. R.K., S.G. of Oxyent Private Limited are funded by Jiva Ayurveda for carrying out the analysis. The Article Processing Charge was paid for by Jiva Institute of Vedic Science and Culture.

EOT =: effectiveness of treatment

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Supplemental Digital Content

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Copyright © 2018 The Authors. Published by Wolters Kluwer Health Inc., on behalf of the European Society of Preventive Medicine.