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Table 4 The diagnostic performance of uterine arteries’ RI, PI, and S/D ratios in discrimination of both the infertile and fertile groups

From: Role of uterine artery Doppler in assessment of unexplained infertility

Item

Cut-off

Sensitivity

Specificity

PPV

NPV

Accuracy

RI

>0.67

100%

96.7%

97.5%

100%

98.6%

PI

>1.95

95%

86.7%

90.47%

92.86%

91.42%

S/D

>3

100%

96.7%

97.56%

100%

98.57%