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Table 2 Baseline characteristics associated with incident TB stratified by time since ART initiation

From: The tuberculosis challenge in a rural South African HIV programme

Time since ART initiation (months) Person time (years) TB cases TB incidence rate (per 100 person years) 95% confidence interval
0-3 138.00 24 17.39 11.65-25.94
3-6 130.65 11 8.42 4.66-15.20
6-9 126.44 7 5.53 2.64-11.61
9-12 122.67 7 5.71 2.72-11.97
12-18 236.84 13 5.48 3.18-9.45
18-24 214.20 8 3.73 1.87-7.47
>24 206.34 11 5.33 2.95-9.63
Overall 1175.17 81 6.89 5.54-8.57