Table 2.
The interobserver agreement with observed and expected agreements in diagnosing adenomyosis and individual ultrasound features.
| Characteristics | Prevalence (n = 68) | Interobserver Agreement (κ) |
95% CI | Observed (%) |
Expected (%) |
||
|---|---|---|---|---|---|---|---|
| Reviewer 1 | Reviewer 2 | ||||||
| Diagnosis of Adenomyosis (atleast one direct feature) | 53 (77.9) | 38 (55.8) | 0.27 | 0.06–0.48 | 66.1 | 53.2 | |
| Direct features | Myometrial cysts | 37 (52.8) | 25 (35.7) | 0.21 | −0.00–0.42 | 60.0 | 49.1 |
| Hyperechogenic islands | 34 (49.2) | 32 (46.3) | 0.24 | 0.01–0.47 | 62.3 | 50.0 | |
| Sub-endometrial lines/buds | 14 (21) | 4 (5.8) | 0.00 | −0.20–0.19 | 75.0 | 75.0 | |
| Indirect features | Globular Uterus | 7 (10) | 16 (22.8) | 0.54 | 0.29–0.79 | 87.1 | 71.7 |
| Asymmetrical thickening | 14 (20.2) | 28 (40.5) | 0.21 | 0.00–0.43 | 65.2 | 55.5 | |
| Fan shaped shadowing | 56 (80) | 28 (40) | 0.19 | 0.04–0.35 | 55.7 | 44.8 | |
| Trans-lesional vascularity | 25 (35.7) | 17 (24.2) | 0.39 | 0.17–0.62 | 74.2 | 57.3 | |
| Irregular JZ | 51 (75) | 43 (63.2) | 0.25 | 0.02–0.48 | 67.6 | 56.6 | |
| Interrupted JZ | 27 (39.7) | 18 (26.4) | 0.31 | 0.09–0.54 | 69.1 | 54.8 | |
Data given as n (%). CI indicates confidence interval.