Table 5 The sensitivity and specificity rates of CFM for screening of ESBL using disk diffusion method at deferent breakpoints and for CFM-AMC DDST at different synergy distances
Test | Breakpoint | Sensitivity (%) | Specificity (%) |
|---|---|---|---|
ESBL screening | ≤ 14 mm | 81.3 | 64.7 |
≤ 15 mm | 83.3 | 64.7 | |
≤ 16 mm | 84.7 | 64.7 | |
≤ 17 mm | 87.2 | 64.7 | |
≤ 18 mm | 87.8 | 64.7 | |
≤ 19 mm | 88.2 | 64.7 | |
≤ 20 mm | 88.7 | 64.7 | |
≤ 21 mm | 89.2 | 64.7 | |
Double-disk synergy test | Distance | Sensitivity (%) | Specificity (%) |
≥ 1 mm | 75.4 | 75.8 | |
≥ 3 mm | 71.3 | 75.8 | |
≥ 5 mm | 63.3 | 75.8 |