Skip to main content

Table 2 Cox proportional hazards stratified by tuberculosis status

From: Subclinical tuberculosis among adults with HIV: clinical features and outcomes in a South African cohort

  Active TB
N=96
Subclinical TB
N=28
No Microbiologic TB/ATT1
N=40
No Microbiologic TB/ No ATT
N=490
Death at 12 months 25 (26%) 3 (11%) 5 (13%) 44 (9%)
Unadjusted HR (95% CI) 3.23 (1.97, 5.27) 1.22 (0.38, 3.93) 1.40 (0.56, 3.54) Reference
P value2 <0.001 0.74 0.47  
Adjusted HR (95% CI)3 1.55 (0.90, 2.66) 0.84 (0.26, 2.73) 0.74 (0.29, 1.91) --
P value2 0.11 0.77 0.53  
Unadjusted HR (95% CI) 2.60 (0.78, 8.63) Reference   
P value4 0.12    
Adjusted HR (95% CI)3 1.84 (0.55, 6.17) --   
P value4 0.32    
  1. Abbreviations: ATT anti-tuberculous therapy, CI confidence interval, HR hazard ratio, TB tuberculosis
  2. 1Empiric ATT treatment
  3. 2P values correspond to hazard ratios comparing survival to no microbiologic TB not treated reference group
  4. 3Adjusted for age, sex, CD4
  5. 4P values correspond to hazard ratios comparing survival to subclinical TB group