title: Antiretroviral therapy and declining AIDS mortality in New York City.
abstract: OBJECTIVE
  This study estimates the impact of Highly Active Antiretroviral Therapy (HAART) and other antiretroviral therapy combinations on reducing mortality risk for a cohort of HIV-infected persons living in New York City.
  
  
  METHODS
  Data for this study come from the CHAIN project, an ongoing multiwave longitudinal study of HIV-infected persons is living in New York City (n = 700) initiated in 1994. The study sample is drawn from the clients of 43 medical and social service agencies and is broadly representative of New York City residents, who were aware of their positive serostatus at time of enrollment. Occurrences of deaths were obtained through routine field tracking and searches of death certificates and an online death registry. Information on other study variables was obtained through in-person interviews. A Cox proportional hazard model was applied to estimate the effects of medication on mortality risk.
  
  
  RESULTS
  Mortality rates for the CHAIN cohort dropped steadily from a high of 131 deaths per 1000 persons/year in 1995 to 31 deaths per 1000 persons/year in 1999, with the historically low mortality rates continuing through 2000. Current use of HAART was associated with a 50% reduction in mortality risk (hazard ratio = 0.51, P <0.01).
  
  
  CONCLUSIONS
  These results demonstrate that in the case of HAART, the therapeutic benefits of an innovative but costly medical treatment are reaching populations that traditionally have poor access to quality health care.
authors.affiliation: Mailman School of Public Health, Columbia University, New York, New York, USA. pam9@columbia.edu
authors.forename: Peter
authors.initials: P
authors.lastname: Messeri
authors.forename: Gunjeong
authors.initials: G
authors.lastname: Lee
authors.forename: David M
authors.initials: DM
authors.lastname: Abramson
authors.forename: Angela
authors.initials: A
authors.lastname: Aidala
authors.forename: Mary Ann
authors.initials: MA
authors.lastname: Chiasson
authors.forename: Dorothy Jones
authors.initials: DJ
authors.lastname: Jessop
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000188:drug therapy* / Q000208:ethnology / Q000276:immunology / Q000401:mortality*; D017677:Age Distribution; D023241:Antiretroviral Therapy, Highly Active / Q000706:statistics & numerical data*; D018791:CD4 Lymphocyte Count; D015331:Cohort Studies; D005260:Female; D006801:Humans; D008297:Male; D009519:New York City / Q000453:epidemiology; D017063:Outcome Assessment, Health Care; D016016:Proportional Hazards Models; D017678:Sex Distribution; D012959:Socioeconomic Factors; D016019:Survival Analysis; D015996:Survival Rate; D014504:Urban Health