Table 2 Accuracy of TVS in diagnosing DIE with laparoscopy and histopathology as the gold standard
DIE Localization | Prevalence % (n) | Sensitivity (%) | Specificity (%) | PVP (%) | PVN (%) | LR+ | LR- | Accuracy (%) |
|---|---|---|---|---|---|---|---|---|
Group 1 | ||||||||
Rectovaginal septum | 19.8 (20) | 67.9 | 98.6 | 95.0 | 88.9 | 48.5 | 0.33 | 90.1 |
Vagina | 12.9 (13) | 52.2 | 98.7 | 92.3 | 87.5 | 40.2 | 0.48 | 88.1 |
Group 2 | ||||||||
Right USL | 42.6 (43) | 84.0 | 98.0 | 97.7 | 86.2 | 42.0 | 0.16 | 91.1 |
Left USL | 40.6 (41) | 80.9 | 94.4 | 92.7 | 85.0 | 14.5 | 0.20 | 88.1 |
Torus uterinum | 28.7 (29) | 96.4 | 97.3 | 93.1 | 98.6 | 35.2 | 0.04 | 97.0 |
Right parametrium | 19.8 (20) | 73.9 | 96.2 | 85.0 | 92.6 | 19.5 | 0.27 | 91.1 |
Left parametrium | 15.8 (16) | 63.6 | 97.5 | 87.5 | 90.6 | 25.4 | 0.37 | 90.1 |
Group 3 | ||||||||
Cranial rectum | 23.8 (24) | 100.0 | 98.7 | 95.8 | 100.0 | 76.9 | 0.00 | 99.0 |
Caudal rectum | 17.8 (18) | 100.0 | 98.8 | 94.4 | 100.0 | 83.3 | 0.00 | 99.0 |
Group 4 | ||||||||
Bladder | 3.0 (3) | 100.0 | 100.0 | 100.0 | 100.0 | – | 0.0 | 100.0 |
Right ureter | 5.0 (5) | 66.7 | 98.9 | 80.0 | 97.9 | 60.6 | 0.34 | 97.0 |
Left ureter | 4 (4) | 60.0 | 99.0 | 75.0 | 97.9 | 60.0 | 0.40 | 97.0 |
Group 5 | ||||||||
Scar/anterior abdominal wall endometriosis | 4 (4) | 100.0 | 100.0 | 100.0 | 100.0 | – | 0.00 | 100.0 |