From: Diagnostic accuracy of an integrated respiratory guideline in identifying patients with respiratory symptoms requiring screening for pulmonary tuberculosis: a cross-sectional study
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)