Research Article

Uterine Cavity Abnormalities in Patients with Endometriosis in Alexandria: A Diagnostic Test Accuracy Study

Table 3

Endometrial polyps.

HysteroscopyTotal
NegativePositive

4D U/S
 Negative40 (80.0%)2 (4.0%)42 (84.0%)
 Positive0 (0.0%)8 (16.0%)8 (16.0%)

Total40 (80.0%)10 (20.0%)50 (100.0%)

Kappa0.865
Standard error0.093
value0.000

Weighted kappa0.865
Standard error0.093
95% CI0.683–1.000

Proportions of specific agreement: (i) negative agreement = ; (ii) positive agreement = . indicates significance.