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Table 1 Measurements comparison between TAD, CalTAD and TADcalTAD

From: Greater rate of cephalic screw mobilisation following proximal femoral nailing in hip fractures with a tip–apex distance (TAD) and a calcar referenced TAD greater than 25 mm

 

Specificity

Sensitivity

PPV

VPN

Estimate

95% CI

Estimate

95% CI

TAD

0.59

0.42–0.76

1

–

0.22

1

CalTAD

0.492

0.32–0.66

1

–

0.18

1

TADcalTAD

0.541

0.37–0.71

1

–

0.2

1

  1. CI confidence interval, PPV positive predictive value, VPN negative predictive value
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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X