TABLE 5.
MODS-PZA performance was evaluated against the consensus reference testa
| PZA dose (μg/ml) | Plate reading day | Sensitivity |
Specificity |
Kappa index | Agreement (%) | ||
|---|---|---|---|---|---|---|---|
| % (n/N) | 95% CI | % (n/N) | 95% CI | ||||
| 400 | R1 | 76.9 (30/39) | 0.61–0.89 | 97.9 (140/143) | 0.94–0.99 | 0.79 | 93.4 |
| R2 | 89.7 (35/39) | 0.76–0.97 | 93.0 (133/143) | 0.88–97.00 | 0.78 | 92.3 | |
| 800 | R1 | 71.8 (28/39) | 0.55–0.85 | 98.6 (141/143) | 0.95–0.99 | 0.77 | 92.8 |
| R2 | 82.1 (32/39) | 0.66–0.92 | 95.8 (137/143) | 0.91–0.99 | 0.79 | 92.9 | |
a
Each accuracy measurement was calculated with a 95% confidence interval (95% CI). R1, first plate reading; R2, second plate reading. n/N, number positive/total number tested.