Test |
Positive |
Negative |
Contaminated |
Not done |
Total |
Smear |
94 (39.8%) |
142 (60.2%) |
- |
- |
236 |
Culture |
109 (51.4%) |
94 (44.3%) |
9 (4.3%) |
24 |
236 |
PCR |
122 (57.5%) |
90 (42.5%) |
- |
24 |
236 |
PCR yielded 122 (57.5%) positive suspected cases and 90 (42.5%) negative cases, table (2). Among the positive PCR cases, 72 were positive in both smear examination and culture. It confirmed 102 (93.6%) of culture positive and 78 (88.6%) of smear- positive. Moreover, it detected 44 (35.6%) of smear-negative among which 30 samples were culture positive. Out 90 negative PCR- suspected cases, 75 were negative in both smear microscopy and culture. 7 (6.7%) were culture positive, (table 3). |