J Prev Med Public Health.  2016 Nov;49(6):394-405. 10.3961/jpmph.16.073.

Effects of Antiretroviral Therapy on the Survival of Human Immunodeficiency Virus-positive Adult Patients in Andhra Pradesh, India: A Retrospective Cohort Study, 2007-2013

Affiliations
  • 1Department of Community Medicine, Army College of Medical Sciences, New Delhi, India. rambajpai@hotmail.com
  • 2National Institute of Medical Statistics, New Delhi, India.
  • 3Department of Biostatistics, Christian Medical College, Vellore, India.
  • 4Division of Global HIV/AIDS, Centers for Disease Control and Prevention, New Delhi, India.
  • 5World Health Organization Country Office for India, New Delhi, India.
  • 6National AIDS Control Organization, New Delhi, India.

Abstract


OBJECTIVES
The survival outcomes of antiretroviral treatment (ART) programs have not been systematically evaluated at the state level in India. This retrospective study assessed the survival rates and factors associated with survival among adult human immunodeficiency virus (HIV)-infected patients in Andhra Pradesh, India.
METHODS
The present study used data from 139 679 HIV patients aged ≥15 years on ART who were registered from 2007 to 2011 and were followed up through December 2013. The primary end point was death of the patient. Mortality densities (per 1000 person-years) were calculated. Kaplan-Meier and Cox-regression models were used to estimate survival and explore the factors associated with survival.
RESULTS
The overall median follow-up time was 16.0 months (2.0 months for the deceased and 14.0 months for those lost to follow-up). Approximately 13.2% of those newly initiated on ART died during follow-up. Of those deaths, 56% occurred in the first three months. The crude mortality rate was 80.9 per 1000 person-years at risk. The CD4 count (adjusted hazard ratio [aHR],4.88; 95% confidence interval [CI], 4.36 to 5.46 for <100 cells/mm³ vs. >350 cells/mm³), functional status (aHR, 3.05; 95% CI, 2.82 to 3.30 for bedridden vs. normal), and body weight (aHR, 3.69; 95% CI, 3.42 to 3.97 for <45 kg vs. >60 kg) were strongly associated with the survival of HIV patients.
CONCLUSIONS
The study findings revealed that high mortality was observed within the first three months of ART initiation. Patients with poor baseline clinical characteristics had a higher risk of mortality. Expanded testing and counseling should be encouraged, with the goal of ensuring early enrollment into the program followed by the initiation of ART in HIV-infected patients.

Keyword

Acquired immunodeficiency syndrome; Antiretroviral therapy; Adult; CD4 lymphocyte count; Survival analysis; India

MeSH Terms

Acquired Immunodeficiency Syndrome
Adult*
Body Weight
CD4 Lymphocyte Count
Cohort Studies*
Counseling
Follow-Up Studies
HIV
Humans*
India*
Mortality
Retrospective Studies*
Survival Analysis
Survival Rate
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