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Table 1 The ROC and AUC to determine the optimal cut-off value for each variable

From: Preoperative deep venous thrombosis (DVT) after femoral neck fracture in the elderly, the incidence, timing, location and related risk factors

Variable

AUC

95%CI

p

lower limit

upper limit

Age

0.512

0.437

0.587

0.779

BMI

0.498

0.420

0.575

0.956

D-dimer

0.469

0.386

0.552

0.456

ALB

0.526

0.456

0.596

0.482

PLT count

0.605

0.528

0.683

0.011

  1. Abbreviation: ROC Receiver operating characteristic, AUC Area under the curve, BMI Body mass index, ALB Albumin, PLT Platelet. AUC indicated the ability of each variable to evaluate the outcome variable, with a size range of 0 to 1
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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