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Table 1 Baseline and follow-up characteristics of patients enrolled onto ART

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

Variable BMI < 18.5 (N = 149) BMI (18.5–24.99) (N = 530) BMI (25–29.99) (N = 177) BMI (≥30) (N = 92) P-value
Baseline
 Median (IQR), age (years)a 33 (29–39) 33.5 (29–40) 35 (28–42) 36 (30–43) 0.278
 Female, %(n)b 36.9 (55) 49.6 (263) 83.1 (147) 90.1 (82) < 0.001
 WHO stage 1–3,% (n)c 69.8 (104) 84.9 (450) 84.8 (150) 93.4 (85) < 0.001
 WHO stage 4, % (n)c 30.2 (45) 15.1 (80) 15.3 (27) 6.6 (6)  
 CD4+, Median (IQR)d (cells /mm3) 96 (35–187) 132 (66–196) 150 (75–224) 140 (81–214) 0.002
 Mean (SD) viral load (log copies/ml)e 5.2 (0.9) 5.0 (0.8) 4.7 (0.9) 4.5 (1.0) < 0.001
 Tuberculosis at baseline 55.7 (83) 43.2 (229) 32.8 (58) 20.7 (19) < 0.001
Follow-up
 CD4+ increase > 50: baseline to 6 months, %(n) (N = 741) 78.3 (83) 80.4 (328) 74.0 (111) 70.1 (54) 0.141
 CD4+ increase > 50: baseline to 12 months, %(n) (N = 512) 85.0 (68) 85.7 (252) 83.2 (79) 83.7 (36) 0.935
 CD4+ increase > 50: baseline to 18 months, %(n) (N = 237) 85.7 (24) 91.4 (127) 91.7 (44) 86.4 (19) 0.631
 Undetectable viral load at 6 months, % (n) (N = 810) 90.7 (107) 93.7 (419) 93.8 (152) 92.7 (77) 0.679
 Undetectable viral load at 12 months, % (n) (N = 524) 91.5 (75) 95.0 (283) 96.0 (96) 90.9 (40) 0.401
 Undetectable viral load at 18 months, % (n) (N = 242) 82.1 (23) 93.0 (132) 93.9 (46) 87.0 (20) 0.195
  1. SD: Standard deviation IQR: Interquartile range
  2. a2 Missing age b1 Missing WHO stage cMissing gender d112 Missing CD4+ count e92 Missing viral load