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Quality of Life of Myasthenia Gravis Patients in Regard to Epidemiological and Clinical Characteristics of the Disease

Stojanov, Aleksandar MD*; Milošević, Vuk PhD*; Đorđević, Gordana PhD*,†; Stojanov, Jelena MD

doi: 10.1097/NRL.0000000000000238
Original Articles
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Background: Myasthenia gravis (MG) affects overall quality of life (QoL). The aim of the research was to evaluate QoL in patients suffering from MG in regard to epidemiological and clinical factors of the disease.

Methods: The study included 70 patients. The severity of clinical manifestation was estimated using quantitative MG score and MG composite score. Patients were classified by using Myasthenia Gravis Foundation of America Classification. The Questionnaire of Life Quality Specific for Myasthenia Gravis-15 items (MGQOL15) is developed for QoL assessment in patients suffering from MG. In addition to the MGQOL15 revised version (MGQOL15r), a 36-item health survey of the Medical Outcomes Study Short Form (SF36) questionnaire, the Hamilton scales for the assessment of anxiety (HAM-A), and depression (HAM-D) were also used.

Results: MGQOL15r scores are negatively correlated with SF36 scores and positively correlated with scores on HAM-A and HAM-D scales (P<0.001). Patients with longer disease duration and severe clinical manifestation often manifest anxiety, depression, and have poorer QoL (P<0.05). In relation to the presence of the anti-nAchR antibody, statistically significant differences were found in relation to the summed scores on scales for assessing QoL, as well as on a HAM-A scale (P<0.05). Physical workers and unemployed patients had worse scores in relation to retired and administrators/intellectual workers on all scales (P<0.001).

Conclusion: MGQOL15r is a life quality assessment questionnaire that could be used in routine practice in patients with MG. It is much simpler for use in these patients than SF36 and provides relevant data.

*Clinic of Neurology, Clinical Center of Nis

Medical Faculty, University of Nis

Special Psychiatric Hospital “Gornja Toponica,” Nis, Serbia

The authors declare no conflict of interest.

Correspondence to: Aleksandar Stojanov, MD, Ozrenska Street 32, Nis 18000, Serbia. E-mail: astojanov1986@gmail.com.

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