Table 2.
Detection of Mycobacterium tuberculosis per sample (upper panel) and per patient (lower panel).
| By sample | All samples | OmniSwab | EasiCollect | |||||
|---|---|---|---|---|---|---|---|---|
| Positive result (n/N) | Sensitivity (95% CIa) | Positive result (n/N) | Sensitivity (95% CI) | Positive result (n/N) | Sensitivity (95% CI) | |||
| All samples | 92/350 | 26 (21–32) | 67/223 | 30 (23–37) | 25/127 | 20 (11–28) | ||
| All Smb + TB | 74/219 | 34 (26–42) | 55/137 | 40 (30–50) | 19/82 | 23 (11–35) | ||
| All Sm − TB | 18/131 | 14 (8.2–19) | 12/86 | 14 (6.6–21) | 6/45 | 13 (4.0–23) | ||
| Pre-txc samples | 23/107 | 22 (14–29) | 18/63 | 29 (17–40) | 5/44 | 11 (1.6–21) | ||
| Post-tx samples | 69/243 | 28 (22–35) | 49/160 | 31 (22–39) | 20/83 | 24 (13–35) | ||
| By patient | All patients | OmniSwab | EasiCollect | Combination OmniSwab/EasiCollect | ||||
|---|---|---|---|---|---|---|---|---|
| Positive result (n/N) | Sensitivity (95% CIa) | Positive result (n/N) | Sensitivity (95% CI) | Positive result (n/N) | Sensitivity (95% CI) | Positive result (n/N) | Sensitivity (95% CI) | |
| All patients | 63/123 | 51 (42–60) | 38/72 | 53 (41–64) | 15/38 | 39 (24–55) | 10/13 | 77 (46–95) |
| All Smb + TB | 46/79 | 58 (47–69) | 29/45 | 64 (50–78) | 10/25 | 40 (21–59) | 7/9 | 78 (40–97) |
| All Sm − TB | 17/44 | 39 (24–53) | 9/27 | 33 (16–51) | 5/13 | 39 (14–68) | 3/4 | 75 (19–99.4) |
aCI confidence interval.
bSM smear-microscopy.
ctx treatment.