From: Evaluation of a new point-of-care oral anti-HCV test for screening of hepatitis C virus infection
Well oral anti-HCV assay | Serum anti-HCV (InTec assay) (n = 1173) | ||||||||
---|---|---|---|---|---|---|---|---|---|
Center 1 (n = 347) | Center 2 (n = 343) | Center 3 (n = 483) | Centers 1–3 | Total | |||||
Positive | Negative | Positive | Negative | Positive | Negative | Positive | Negative | ||
Positive, n | 106 | 4 | 92 | 7 | 240 | 3 | 438 | 14 | 452 |
Negative, n | 3 | 234 | 5 | 239 | 13 | 227 | 21 | 700 | 721 |
Total | 109 | 238 | 97 | 246 | 253 | 230 | 459 | 714 | 1173 |
Positive coincidence rateb (%) (95% CI) | 97.25(91.57,99.29) | 94.85(87.82,98.09) | 94.86(91.17,97.12) | 95.42(92.98,97.08) | |||||
Negative coincidence rateb (%) (95% CI) | 98.32(95.47,99.46) | 97.15(93.98,98.75) | 98.70(95.92,99.66) | 98.04(96.65,98.88) | |||||
Consistencyb (%) (95% CI) | 97.98(95.81,99.10) | 96.50(93.92,98.05) | 96.69(94.65,97.99) | 97.02(95.87,97.86) | |||||
Kappa valueb | 0.953 | 0.914 | 0.934 | 0.937 |