Cytologic examination (95% Confidence interval)(%)

Tissue biopsy (95% Confidence interval)(%)

p*1

Sensitivity for detecting endometrial carcinoma

78.3

(66.7–87.3)

84.1

(73.3–91.8)

0.157

Sensitivity for detecting endometrial hyperplasia

54.5

(23.4–83.3)

90.9

(58.7–99.8)

0.045

Specificity

100.0

(59.0–100.0)

85.7

(42.1–99.6)

*2
*1McNemar’s chi-square test
*2Not calculable due to specificity of 100%
Table 4: Comparison of diagnostic accuracy between cytologic examination and tissue biopsy.