| Gender | MTB Detected | (%) | MTB Not Detected | (%) | Total | p-value |
| Male | 177 | 15.7 | 948 | 84.3 | 1125 | 0.001* |
| Female | 76 | 9.9 | 692 | 90.1 | 768 |
|
| Total | 253 | 13.4 | 1640 | 86.6 | 1893 |
|