Virus | No. detected (MNCP/rRT-PCR)a | Sensitivity (%) (95% CI) | Specificity (%) (95% CI) | PPVs (%) (95% CI) | NPVs (%) (95% CI) | Overall concordance rate (%) (95% CI) | P value (McNemar’s test) | Kappa value (95% CI) | |||
---|---|---|---|---|---|---|---|---|---|---|---|
+/+ | +/− | −/+ | −/− | ||||||||
Influenza A | 89 | 5 | 1 | 160 | 98.89 (93.10 − 99.94) | 96.97 (92.70 − 98.88) | 94.68 (87.45 − 98.03) | 99.38 (96.07 − 99.97) | 97.65 (94.70 − 99.04) | 0.219 | 0.95** (0.91 − 0.99) |
Influenza B | 94 | 1 | 5 | 159 | 94.95 (88.06 − 98.13) | 99.38 (96.04 − 99.97) | 98.95 (93.44 − 99.95) | 96.95 (92.65 − 98.87) | 97.68 (94.78 − 99.05) | 0.219 | 0.95** (0.91 − 0.99) |