Table 1. Diagnostic performance of DNA microarray for RFP resistance.
Detection method | Results | Traditional liquid culture | Se | Spe | AUC (95% CI) | P | Difference value (95% CI, %) | P | Kappa (95% CI) | |
---|---|---|---|---|---|---|---|---|---|---|
Sensitive | Resistant | |||||||||
DNA microarray | Sensitive | 609 | 28 | 84.5% | 94.5% | 0.89 (0.87–0.91) | <0.001 | −0.85 (−2.73 to 1.04) | 0.45 | 0.78 (0.72–0.83) |
Resistant | 35 | 153 |
AUC, area under the curve; CI, confidential interval; RFP, rifampicin; Se, sensitivity; Spe, specificity.