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Table 2 Binary logistic regression analysis of the predictive ability of three distinct dishomogeneity index (DI) values as provided by cervical elastography in discriminating the cases with easy or difficult embryo transfer

From: Evaluation of the cervix tissue homogeneity by ultrasound elastography in infertile women for the prediction of embryo transfer ease: a diagnostic accuracy study

Parameter

A/B DI

C/D DI

E/F DI

Chi quare (p value)

49.672 (p < 0.0001)

99.865 (p < 0.0001)

44.219 (p < 0.0001)

Diagnostic accuracy %

79.7

86.9

78.4

Sensitivity %

57.41

81.48%

51.8

Specificity %

91.92

89.9%

92.93

Positive LR

7.1

8.07

7.33

Negative LR

0.46

0.21

0.52

PPV %

79.4

81.48

80

NPV %

79.8

89.9

77.9