TABLE 2.
Diagnostic agreement of Xpert® Flu/RSV with Allplex™ RP1 (n = 914)
| Influenza A | Influenza B | RSV | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Allplex™ RP1 | Allplex™ RP1 | Allplex™ RP1 | |||||||
| Xpert® Flu/RSV | + | − | Total | + | − | Total | + | − | Total |
| + | 77 | 5 | 82 | 14 | 1 | 15 | 42 | 0 | 42 |
| − | 4 | 828 | 832 | 2 | 897 | 899 | 12 | 860 | 872 |
| Total | 81 | 833 | 914 | 16 | 898 | 914 | 54 | 860 | 914 |
| PPA (95% CI) | 95.1 (87.8‐98.6) | 87.5 (61.7‐98.4) | 77.8 (64.4‐88.0) | ||||||
| NPA (95% CI) | 99.4 (98.6‐99.8) | 99.9 (99.4‐100.0) | 100 (99.6‐100.0) | ||||||
| Kappa (95% CI) | 0.94 (0.90‐0.98) | 0.90 (0.79‐1.00) | 0.87 (0.79‐0.94) | ||||||
| PABAK (95% CI) | 0.98 (0.97‐0.99) | 0.99 (0.98‐1.00) | 0.97 (0.96‐0.99) | ||||||
Abbreviations: NPA, negative percent agreement, PABAK, prevalence and bias‐adjusted kappa; PPA, positive percent agreement; RSV, respiratory syncytial virus.