From: Timing, rates, and causes of death in a large South African tuberculosis programme
 | Time on treatment | n | Number of deaths | Cumulative case fatality (%) | Person months | Rate per 100 pm (95% CI) | IRR (95% CI) | p -value |
---|---|---|---|---|---|---|---|---|
First episode | 1st month | 3170 | 71 | 2.2 | 3132 | 2.3 (1.8-2.9) | 1.0 | Â |
2nd month | 3099 | 50 | 3.8 | 3072 | 1.6 (1.2-2.1) | 0.72 (0.50-1.0) | 0.07 | |
3rd month | 3049 | 47 | 5.3 | 3023 | 1.6 (1.2-2.1) | 0.69 (0.47-0.99) | 0.05 | |
4th month | 3002 | 46 | 6.8 | 2979 | 1.5 (1.2-2.1) | 0.68 (0.47-0.99) | 0.04 | |
5th month | 2956 | 44 | 8.1 | 2936 | 1.5 (1.1-2.0) | 0.66 (0.45-0.96) | 0.03 | |
6th month | 2912 | 50 | 9.7 | 2889 | 1.7 (1.3-2.3) | 0.76 (0.53-1.10) | 0.14 | |
Overall | 3170 | 308 | 9.7 | 18030 | 1.7 (1.5-1.9) | Â | Â | |
Retreatment episode | 1st month | 992 | 46 | 4.6 | 967 | 4.8 (3.6-6.4) | 1.0 | Â |
2nd month | 946 | 28 | 7.5 | 933 | 3.0 (2.1-4.3) | 0.63 (0.39-1.01) | 0.05 | |
3rd month | 918 | 34 | 10.9 | 898 | 3.8 (2.7-5.3) | 0.80 (0.51-1.24) | 0.31 | |
4th month | 884 | 32 | 14.1 | 865 | 3.7 (2.6-5.2) | 0.78 (0.50-1.22) | 0.28 | |
5th month | 852 | 19 | 16.0 | 844 | 2.3 (1.4-3.5) | 0.47 (0.28-0.81) | 0.01 | |
6th month | 833 | 16 | 17.6 | 827 | 1.9 (1.2-3.2) | 0.41 (0.23-0.72) | <0.01 | |
7th month | 817 | 17 | 19.4 | 808 | 2.1 (1.3-3.4) | 0.44 (0.25-0.77) | <0.01 | |
8th month | 800 | 9 | 20.3 | 793 | 1.1 (0.6-2.2) | 0.24 (0.12-0.49) | <0.01 | |
Overall | 992 | 201 | 20.3 | 6935 | 2.9 (2.5-3.3) | Â | Â | |
Overall | 4162 | 509 | 12.2 | 24965 | 2.0 (1.9-2.2) | Â | Â |