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AIDS:
doi: 10.1097/QAD.0b013e3283623d5f
Clinical Science

Thirty-day hospital readmission rate among adults living with HIV

Berry, Stephen A.a; Fleishman, John A.b; Yehia, Baligh R.c; Korthuis, P. Toddd; Agwu, Allison L.a; Moore, Richard D.a; Gebo, Kelly A.a

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Abstract

Objective:

Thirty-day hospital readmission rate is receiving increasing attention as a quality-of-care indicator. The objective of this study was to determine readmission rates and to identify factors associated with readmission among persons living with HIV.

Design:

Prospective multicenter observational cohort.

Setting:

Nine US HIV clinics affiliated through the HIV Research Network.

Participants:

Patients engaged in HIV care during 2005–2010.

Main outcome measure(s):

Readmission rate was defined as the proportion of hospitalizations followed by a readmission within 30 days. Factors in multivariate analyses included diagnostic categories, patient demographic and clinical characteristics, and having an outpatient follow-up visit.

Results:

Among 11 651 total index hospitalizations, the 30-day readmission rate was 19.3%. AIDS-defining illnesses (ADIs, 9.6% of index hospitalizations) and non-AIDS-defining infections (26.4% of index hospitalizations) had readmission rates of 26.2 and 16.6%, respectively. Factors independently associated with readmission included lower CD4+ cell count [adjusted odds ratio 1.80 (1.53–2.11) for CD4+ cell count <50 vs. ≥351 cells/μl], longer length of stay [1.77 (1.53–2.04) for ≥9 days vs. 1–3 days], and several diagnostic categories including ADI. Having an outpatient follow-up clinic visit was not associated with lower readmission risk [adjusted hazard ratio 0.98 (0.88–1.08)].

Conclusion:

The 19.3% readmission rate exceeds the 13.3% rate reported for the general population of 18–64-year-olds. HIV providers may use the 19.3% rate as a basis of comparison. Policymakers may consider the impact of HIV when estimating expected readmissions for a hospital or region. Preventing or recovering from severe immune dysfunction may be the most important factor to reducing readmissions.

© 2013 Wolters Kluwer Health | Lippincott Williams & Wilkins

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