Table 7.
Distribution of direct smear microscopy and culture of tuberculosis cases to assess the sensitivity and positive predictive value in Sana’a City, 2018
DSMa | Culture, n | Total | |
|
Positive | Negative |
|
Positive | 78 (true positive A) | 29 (false positive B) | 107 |
Negative | 3 (false negative C) | 9 (true negative D) | 12 |
Total | 81 | 38 | 119 |
aDSM: direct smear microscopy.