Variables | Sensitivity | Specificity | PPV | NPV | Accuracy | P-value |
Pooling test | 88 | 100 | 100 | 86.96 | 93.33% | <0.001 |
Nitrazine test | 92 | 85 | 88.46 | 89.47 | 88.89% | <0.001 |
Fern test | 92 | 80 | 85.19 | 86.89 | 86.67% | <0.001 |