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Table 4 ROC analysis of CTS sonographical diagnostic criteria

From: Ratio and difference of the cross-sectional area of median nerve to ulnar nerve in diagnosing carpal tunnel syndrome: a case control study

 

AUC (95% CI)

Cut-off value

Sensitivity (%)

Specificity (%)

CSA-P of median nerve (mm2)

0.70 (0.57–0.83)

10.35

63

84

SR

0.61 (0.47–0.75)

1.32

53

72

MUR

0.75 (0.63–0.88)

3.28

63

84

MUD

0.78 (0.67–0.90)

5.53

84

69

  1. Abbreviations: ROC receiver operating characteristic, AUC area under the curve, CI confidence interval, CSA-P cross-sectional area at the pisiform level, SR swelling ratio, MUR median nerve to ulnar nerve ratio, MUD median-to-ulnar nerve difference