Sensitivity (95% CI)*

Specificity (95% CI)

PPV†

(95% CI)

NPV‡

(95% CI)

Kappa value

Sub mucous fibroids

99.57

(97.64 - 99.99)

87.50

(61.65 - 98.45

99.15

(96.96 - 99.90)

93.33

(68.05 - 99.83)

0.897 (Very good agreement)

Endometrial polyp

100.0

(98.23 - 100.0)

90.91

(78.33 - 97.47)

98.10

(95.20 - 99.48

100.0

(91.19 - 100.0)

0.943 (Very good agreement)

Thick endometrial interface > 10 mm

97.62

(94.53 - 99.22)

100.0

(91.19 - 100.0)

100.0

(98.22 - 100.0)

88.89

(75.95 - 96.29)

0.929 (Very good agreement)

Normal endometrium proliferative phase < 10 mm

98.18

(93.59 - 99.78)

96.43

(91.86 - 98.83)

95.58

(89.98 - 98.55)

98.54

(94.83 - 99.82)

0.943 (Very good agreement)