Table 3.
Diagnostic performance indices and 95% confidence intervals
| Variable | All patients | Premenopausal | Postmenopausal |
|---|---|---|---|
| ADNEX | |||
| Sensitivity | 62.5 (40.6-81.2) | 59.1 (36.4-79.3) | 50.0 (1.3-98.7) |
| Specificity | 79.6 (74.2-84.3) | 85.3 (80.1-89.5) | 100 (84.6-100) |
| PPV | 22.0 (12.9-33.7) | 27.1 (15.3-41.9) | 100 (2.5-100) |
| NPV | 95.8 (92.2-98.1) | 95.8 (92.1-98.0) | 95.7 (78.1-99.9) |
| LR+ | 3.07 | 4.02 | NA |
| LR− | 0.47 | 0.48 | 0.50 |
| AUC | 74.6 (69.1-79.6) | 76.6 (71.0-81.6) | 61.4 (39.5-80.3) |
| P | <0.001 | <0.001 | 0.602 |
| RMI | |||
| Sensitivity | 83.3 (62.6-95.3) | 86.4 (65.1-97.1) | 50.0 (1.3-98.7) |
| Specificity | 29.6 (24.1-35.6) | 27.3 (21.8-33.4) | 90.9 (70.8-98.9) |
| PPV | 9.8 (6.1-14.8) | 9.9 (6.1-15.0) | 33.3 (14.0-90.5) |
| NPV | 95.1 (87.8-98.6) | 95.6 (87.7-99.1) | 95.2 (76.2-99.9) |
| LR+ | 1.18 | 1.19 | 5.50 |
| LR− | 0.56 | 0.50 | 0.55 |
| AUC | 51.7 (45.7-57.6) | 51.4 (45.1-57.6) | 56.8 (35.2-76.7) |
| P | 0.785 | 0.831 | 0.754 |
| Maximal diameter of lesion | |||
| Sensitivity | 66.7 (44.7-84.4) | 86.4 (65.1-97.1) | 100 (15.8-100) |
| Specificity | 61.1 (54.9-67.1) | 45.0 (38.5-51.5) | 40.9 (20.7-63.6) |
| PPV | 13.7 (8.0-21.2) | 12.7 (7.8-19.1) | 13.3 (1.7-40.4) |
| NPV | 95.2 (90.8-97.9) | 97.3 (92.3-99.4) | 100 (66.4-100) |
| LR+ | 1.72 | 1.57 | 1.69 |
| LR− | 0.55 | 0.30 | 0.00 |
| AUC | 67.4 (61.7-72.9) | 69.5 (63.5-75.0) | 60.2 (38.4-79.4) |
| P | 0.005 | 0.003 | 0.638 |
| CA-125 | |||
| Sensitivity | 41.7 (22.1-63.4) | 40.9 (20.7-63.6) | 50.0 (1.3-98.7) |
| Specificity | 80.8 (75.4-85.4) | 81.1 (75.5-85.9) | 95.5 (77.2-99.9) |
| PPV | 16.7 (8.3-28.6) | 16.7 (7.9-29.3) | 50.3 (1.3-98.7) |
| NPV | 93.8 (89.7-96.5) | 93.7 (89.4-96.6) | 95.4 (77.2-99.9) |
| LR+ | 2.17 | 16.7 (7.9-29.3) | 11.00 |
| LR− | 0.72 | 93.7 (89.4-96.6) | 0.52 |
| AUC | 59.8 (53.9-65.6) | 60.4 (54.1-66.4) | 52.3 (31.1-72.8) |
| P | 0.111 | 0.108 | 0.917 |
PPV: Positive predictive value, NPV: Negative predictive value, RMI: Risk of malignancy index, AUC: Area under the curve, LR+: Positive likelihood, LR−: Negative likelihood