Table 1 Positivity yield by different bacteriological testing strategies among pulmonary TB patients in Tianjin China, 2017–2018
Testing strategy (n) | Negativity n (%) | Positivity n (%) |
|---|---|---|
Smear (6364) | 3618 (56.9) | 2746 (43.1) |
Culture (5853) | 2473 (42.3) | 3380 (57.7) |
Xpert (2605) | 997 (38.3) | 1608 (61.7) |
Smear+culture (5853) | 2162 (36.9) | 3691 (63.1) |
Smear+Xpert (2605) | 838 (32.2) | 1767 (67.8) |
Xpert+culture (2484) | 702 (28.3) | 1782 (71.7) |
Smear+culture+Xpert (2484) | 660 (26.6) | 1824 (73.4) |