Table 4.
Characteristics of 31 patients with bacteriologically confirmed TB stratified by whether TB was detected using Xpert MTB/RIF assay.
| Bacteriologically-confirmed TB (n = 31) |
|||
|---|---|---|---|
| Characteristic | Xpert-negative (n = 14) | Xpert-positive (n = 17) | p-value |
| Age (years), median (IQR) | 52 (43–65) | 31 (24–38) | <0.001 |
| Female | 11 (79) | 5 (29) | 0.01 |
| Prior TB treatment | 1 (7) | 0 (0) | 0.45 |
| Any TB symptom* | 13 (93) | 15 (88) | 1 |
| Current cough | 13 (93) | 14 (82) | 0.61 |
| Cough >2 weeks | 7 (50) | 12 (71) | 0.28 |
| Fever | 3 (21) | 8 (47) | 0.26 |
| Night sweats | 4 (29) | 8 (47) | 0.46 |
| Weight loss | 5 (36) | 12 (71) | 0.08 |
| HIV-positive | 4 (29) | 6 (38) | 0.71 |
| CXR abnormal | 3 (21) | 14 (82) | 0.001 |
| Time to detection on culture (hours), median (IQR), n = 23 | 464 (170–860) | 144 (114–304) | 0.02 |
⁎
Any TB symptom refers to the WHO-recommended four-symptom screen for current cough, fever, night sweats and/or weight loss; CXR, chest X-ray; Xpert, Xpert MTB/RIF assay.