| Direct sequencinga |  |  |  |  |  |  |  | |
---|---|---|---|---|---|---|---|---|---|
 | Mutation (N = 127) | Wild type (N = 263 ) | Total | Sensitivity | Specificity | PPVc | NPVd | Accuracy | P-value |
 | (95% CI) | (95% CI) | (95% CI) | (95% CI) | (95% CI) |  | |||
WEnCAb | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Positive | 117 | 14 | 131 | 92.13% | 94.68% | 89.31% | 96.14% | 93.85% | <0.001 |
Negative | 10 | 249 | 259 | (86.11-95.67%) | (91.26-96.8%) | (82.86-93.53%) | (93.04-97.89%) | (91.47-96.23%) | Â |