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Table 3 Analysis of baseline factors associated with mortality

From: A retrospective cohort study of body mass index and survival in HIV infected patients with and without TB co-infection

Variable at ART initiation Univariate Multivariate
HR (95% CI) P-value aHR (95% CI) P-value
BMI group, kg/m2 (ref: 18.5–24.99) < 18.5 2.91 (1.6–5.32) 0.001 2.93 (1.51–5.7) 0.002
  25–29.99 1.09 (0.51–2.35) 0.825 1.25 (0.51–3.09) 0.624
  ≥30 0.95 (0.33–2.73) 0.918 1.14 (0.32–4.04) 0.841
Age (per 5–year increase)   1.09 (0.95–1.25) 0.238 1.1 (0.94–1.29) 0.232
Gender (ref: female) Male 1.85 (1.09–3.14) 0.023 1.42 (0.74–2.72) 0.290
CD4+ cell count (per 50 cells/mm3 increase)   0.87 (0.74–1.02) 0.091 0.92 (0.8–1.06) 0.262
WHO stage (ref: 1–3) Stage 4 2.53 (1.45–4.44) 0.001 2.04 (1.07–3.89) 0.029
Tuberculosis (ref: No) Yes 1.05 (0.62–1.78) 0.857 0.99 (0.54–1.81) 0.976
  1. aHR Adjusted hazard ratio