Table 3 Sensitivity and specificity tested using multiplex real-time PCR and conventional PCR in 11860 clinical samples
DEC group | Multiplex real-time PCR | Standard PCR | Total | Sensitivity | 95% CI | Specificity | 95% CI | Kappa | |
|---|---|---|---|---|---|---|---|---|---|
+1 | −2 | ||||||||
ETEC | + | 29 (a) | 9 (b) | 38 | 100% | 88.06 ~ 100.00 | 99.92% | 99.86 ~ 99.97 | 0.87 |
- | 0 (c) | 11822 (d) | 11822 | ||||||
Total | 29 | 11831 | 11860 | ||||||
EPEC | + | 99 | 12 | 111 | 100% | 96.34 ~ 100.00 | 99.90% | 99.82 ~ 99.95 | 0.94 |
- | 0 | 11749 | 11749 | ||||||
Total | 99 | 11761 | 11860 | ||||||
EHEC | + | 4 | 0 | 4 | 100% | 39.76 ~ 100.00 | 100% | 99.97 ~ 100.00 | 1.00 |
- | 0 | 11856 | 11856 | ||||||
Total | 4 | 11856 | 11860 | ||||||
EAEC | + | 10 | 0 | 10 | 100% | 69.15 ~ 100.00 | 100% | 99.97 ~ 100.00 | 1.00 |
- | 0 | 11850 | 11850 | ||||||
Total | 10 | 11850 | 11860 | ||||||
EIEC Positive | + | 8 | 0 | 8 | 100% | 63.06 ~ 100.00 | 100% | 99.97 ~ 100.00 | 1.00 |
- | 0 | 11852 | 11852 | ||||||
Total 171 | 8 150 | 11852 | 11860 | ||||||