Table 3.
Yield of TB diagnosis among contacts of index patients with bacteriologically confirmed TB, by contact symptoms, HIV status and TST status (N = 1155)
| HIV-positive, n/N (%) | HIV status unknown, n/N (%) | HIV-negative, n/N (%) | |
|---|---|---|---|
| Symptomatic | 7/45 (15.6) | 11/105 (10.5) | 6/134 (4.5) |
| Asymptomatic, TST positive | 4/24 (16.7) | 6/126 (4.8) | 4/184 (2.2) |
| Asymptomatic, TST not done | 1/17 (5.9) | 0/92 (0.0) | 0/108 (0.0)† |
| Asymptomatic, TST negative | 0/32 (0.0) | 2/111 (1.8) | 0/177 (0.0)† |
†
Not eligible for sputum and clinical evaluation according to screening algorithm.