Table 3 Rifampicin resistance detection by Xpert compared to phenotypic drug susceptibility testing
Study | Xpert positive samples tested for drug resistance (n) | Rifampicin resistance detection | Prevalence of rif resistance by DST | Sensitivity | Specificity | |||
|---|---|---|---|---|---|---|---|---|
TP | FP | FN | TN | |||||
Al-Ateah | 17 | 2 | 0 | 0 | 15 | 11.7% | 1.00 | 1.00 |
Hillemann | 26 | 0 | 1 | 0 | 25 | 0% | Not estimable | 0.96 |
Moure | 63 | 0 | 0 | 0 | 63 | 0% | Not estimable | 1.00 |
Vadwai | 125 | 39 | 5 | 1 | 80 | 31.2% | 0.98 | 0.94 |
Zmak | 12 | 0 | 0 | 0 | 12 | 0% | Not estimable | 1.00 |
Lawn* | 16 | 1 | 2 | 0 | 13 | 6.3% | 1.00 | 0.87 |