Table II.
Agreement between two observers for ultrasound measures of categorical variables.
| Agreement | Kappa | Interpretation | |
|---|---|---|---|
| K | 95% CI | ||
| Endometriotic cysts | 0.88 | 0.60, >0.99 | Very good |
| Number of endometriotic cysts* | 0.83 | 0.62, >0.99 | Very good |
| Endometriotic nodules | 0.61 | 0.33, 0.88 | Moderate/good |
| Number of endometriotic nodules* | 0.60 | 0.42, 0.78 | Moderate/good |
| Bowel nodules | 0.82 | 0.55, >0.99 | Good/very good |
| Number of bowel nodules* | 0.82 | 0.58, >0.99 | Good/very good |
| Posterior compartment nodules | 0.68 | 0.41, 0.96 | Good |
| Number of posterior compartment nodules* | 0.46 | 0.27, 0.65 | Fair |
(*) Analysis performed using weighted kappa method. N = 50 women.