Table 2 Per sample analyses of Mtb stool assay in 259 children
From: Detection of Mycobacterium tuberculosis in pediatric stool samples using TruTip technology
| Â | Positive stool result (n/N) | Indeterminate stool result (n/N) | Sensitivity (95% CIa) | Specificity (95% CIa) |
|---|---|---|---|---|
All samples | 25/484 | 1/484 | Â | Â |
Confirmed TB (SM+)b | 13/13 | 0/13 | 100% (59–100%) |  |
Confirmed TB (SM-) | 7/30 | 0/30 | 23.3% (5.6–41%) |  |
Confirmed TB (all smear grades) | 20/43 | 0/43 | 47% (27–66%) |  |
Clinically-diagnosed, unconfirmed TB | 1/159 | 0/159 | 0.6% (0.00–1.9%) |  |
No TB diagnosis | 4/282 | 1/282 |  | 99% (97–100%) |