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Table 4 Mortality from time since treatment commencement

From: High mortality among tuberculosis patients on treatment in Nigeria: a retrospective cohort study

Time since treatment onset Number of deaths Proportionate mortality (%) Person-months Mortality rate per 100 pm (95%CI) Crude HR (95% CI) Adjusted HR (95% CI)a
1st week 120 50 · 6 319 · 3 37 · 6 (31 · 4-44 · 9) 1 1
2nd week 32 13 · 5 265 · 9 12 · 0 (8 · 5-17 · 0) 0 · 34 (0 · 23-0 · 53) 0 · 49 (0 · 31-0 · 78)
3rd week 23 9 · 7 253 · 2 9 · 1 (6 · 0-13 · 7) 0 · 31 (0 · 19-0 · 49) 0 · 57 (0 · 34-0 · 96)
4th week 13 5 · 5 245 · 9 5 · 3 (3 · 1-9 · 1) 0 · 18 (0 · 10-0 · 32) 0 · 31 (0 · 17-0 · 60)
2nd month 21 8 · 9 936 · 8 2 · 2 (1 · 5-3 · 4) 0 · 08 (0 · 05-0 · 12) 0 · 18 (0 · 10-0 · 30)
3rd month 12 5 · 1 885 · 2 1 · 4 (0 · 8-2 · 4) 0 · 04 (0 · 02-0 · 08) 0 · 13 (0 · 07-0 · 26)
4th month+ 16 6 · 7 3530 · 0 0 · 5 (0 · 3-0 · 7) 0 · 01 (0 · 06-0 · 02) 0 · 05 (0 · 03-0 · 08)
  1. aAdjusted for age, gender, residence, calendar period, HIV/ART status, previous TB treatment, TB site, referring source, and diagnosis