Table 3 Increasing probability of bacteriological confirmation of tuberculosis as primary care physicians' strength of suspicion increased.
Strength of suspicion | Positive predictive value n/N (%) |
|---|---|
1 (weakest suspicion) | 1/29 (3) |
2 | 3/76 (4) |
3 | 6/85 (7) |
4 | 7/65 (11) |
5 (strongest suspicion) | 23/87 (26) |
All tuberculosis suspects | 40/342 (12) |