Table 4 Diagnostic ability of hysteroscopy and chromohysteroscopy in detecting endometrial pathology
Methods of diagnosis | Endometrial pathology (N = 34) | Sensitivity | Specificity | PPV | NPV | Diagnostic accuracy |  + LR |
|---|---|---|---|---|---|---|---|
Hysteroscopy | Â | 23.53% | 75.76% | 29.4% | 69.8% | 58% | 0.97 |
Normal (N = 76) | 26 (34.21%) |  |  |  |  |  |  |
Abnormal (N = 24) | 8 (33.34%) |  |  |  |  |  |  |
Chromohysteroscopy | Â | 94.12% | 90.9% | 81.6% | 97.3% | 92% | 10.3 |
Light staining (N = 62) | 2 (3.23%) |  |  |  |  |  |  |
Dark staining (N = 38) | 32 (84.2%) |  |  |  |  |  |  |