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Table 4 Statistical measures of performance of Wells score in predicting DVT in patients with cut off scores of 2

From: Wells criteria for DVT is a reliable clinical tool to assess the risk of deep venous thrombosis in trauma patients

Parameter

Value

95 % CI

Sensitivity

67 %

45–88 %

Specificity

90 %

87–94 %

PPV

31 %

16–45 %

NPV

98 %

96–99 %

  1. DVT deep vein thrombosis, CI confidence interval, PPV positive predictive value, NPV negative predictive value
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World Journal of Emergency Surgery

ISSN: 1749-7922