Table 2.
Diagnostic performance of magnetic resonance imaging features of adenomyosis and combination of ≥3 criteria (n=50)
| MRI | 95% CI | ||||
|---|---|---|---|---|---|
|
| |||||
| Sensitivity percentage | Specificity percentage | PPV percentage | NPV percentage | Diagnostic accuracy percentage | |
| Junctional zone thickening ≥12 mm | 97.22 (85.83–99.51) | 78.57 (52.41–92.43) | 92.11 (79.2–97.28) | 91.67 (64.61–98.51) | 92 (81.16–96.85) |
| Maximal JZ thickness to myometrial thickness ratio >40% | 88.89 (74.68–95.59) | 78.57 (52.41–92.43) | 91.43 (77.62–97.04) | 73.33 (48.05–89.1) | 86 (73.81–93.05) |
| Difference between the maximum and minimum thickness of JZ >5 mm | 77.78 (61.91–88.28) | 85.71 (60.06–95.99) | 93.33 (78.68–98.15) | 60 (38.66–78.12) | 80 (66.96–88.76) |
| Myometrial heterogeneous intensity | 91.67 (78.17–97.13) | 50 (26.8–73.2) | 82.5 (68.05–91.25) | 70 (39.68–89.22) | 80 (66.96–88.76) |
| Hyperintense myometrial foci | 72.22 (56.01–84.15) | 100 (78.47–100) | 100 (87.13–100) | 58.33 (38.83–75.53) | 80 (66.96–88.76) |
| ≥3 criteria | 91.67 (78.17–97.13) | 85.71 (60.06–95.99) | 94.29 (81.39–98.42) | 80 (54.81–92.95) | 90 (78.64–95.65) |
MRI: Magnetic resonance imaging, PPV: Positive predictive value, NPV: Negative predictive value, CI: Confidence interval, JZ: Junctional zone