Table 1 Validity evaluation of ultrasound scans with new diagnostic features in diagnosing fetal anal atresia through diagnostic tests.

From: New ultrasound features in diagnosing fetal anal atresia: a multicenter prospective cohort study

Evaluation indices

Point estimation

Lower limit of 95% CI

Upper limit of 95 CI

Sensitivity (%)

94.048

86.653

98.039

Specificity (%)

99.996

99.989

99.999

Youden index

0.940

0.889

0.991

LR+

22246.259

8337.129

59360.490

LR−

0.060

0.025

0.154

DOR

373721.350

27400.595

5094540.326

AUC of the ROCC

0.970

0.969

0.971

PPV (%)

95.181

88.098

98.138

NPV (%)

99.995

99.988

99.998

AUC of the PRC

0.904

0.819

0.951

F1-score

0.946

-

-

Cramer’s V

0.945*

-

-

Accuracy (%)

99.990

-

-

Balanced accuracy (%)

97.022

-

-

  1. AUC, area under curve; CI, confidence interval; DOR, diagnostic odds ratio; LR+, positive likelihood ratio; LR−, negative likelihood ratio; NPV, negative predictive value; PPV, positive predictive value; PRC; precision-recall curve; ROCC, receiver operating characteristic curve. * P < 0.05.
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