European Journal of Epidemiology

, Volume 16, Issue 7, pp 633–639 | Cite as

Anthropometric indices as predictors of survival in AIDS adults. Aquitaine Cohort, France, 1985–1997

  • Thiébaut Rodolphe
  • Malvy Denis
  • Marimoutou Catherine
  • Dabis François

Abstract

The aim of the study was to assess the performance of weight related nutritional markers [reported involuntary weight loss (WL) greater than 10%, measured WL and body mass index (BMI)] in predicting survival at AIDS stage. The three anthropometric indices were used as time dependant variables in Cox models to predict survival at AIDS stage. The studied sample included 630 HIV1-infected individuals of a prospective cohort of those 421 died (median survival at AIDS stage: 19.9 months). After adjustment for usual prognostic factors of survival, the reported WL greater than 10% was a pejorative predictor of survival (hazard ratio (HR) 2.4; 95% confidence interval (CI): 1.9–3.0). For measured WL <5%, between 5 and 10% and ≥10% of baseline weight compared with no WL, HR were respectively, 1.9 (CI: 1.4–2.6), 3.3 (CI: 2.4–4.4) and 6.7 (CI: 5.2–8.6). The HR of death were 2.2 (CI: 1.6–3.0) for BMI between 16 and 18.4 kg/m2and 4.4 (CI: 3.1–6.3) for BMI <16 compared to normal BMI (≥18.5). Even a limited WL measured at a given point in time during follow up increases the risk of death at the AIDS stage. Simple cross-sectional measures of BMI have a good predictive value of survival.

Acquired immunodeficiency syndrome Body mass index Cohort studies Survival Weight loss 

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Copyright information

© Kluwer Academic Publishers 2000

Authors and Affiliations

  • Thiébaut Rodolphe
    • 1
  • Malvy Denis
    • 1
    • 2
  • Marimoutou Catherine
    • 1
    • 3
  • Dabis François
    • 1
  1. 1.Unité INSERM 330Université Victor Segalen Bordeaux 2BordeauxFrance
  2. 2.Service de Médecine InterneCentre Hospitalier Universitaire (CHU) de BordeauxFrance
  3. 3.Centre d'Information et de Soins de l'Immunodéficience Humaine, CHU de BordeauxFrance

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