Table 3 The multivariate logistic regression model, considering TAD > 25 mm and CalTAD > 25 mm.

From: New tip-apex distance and calcar-referenced tip-apex distance cut-offs may be the best predictors for cut-out risk after intramedullary fixation of proximal femur fractures

 

Cut-off TAD 25 and Cut-off CalTAD 25

Odds Ratio (OR)

95% confidence interval (CI)

p value

Lower

Upper

TAD

Ref (< 25 mm)

3.54

0.77

16.31

0.105

CalTAD

Ref (< 25 mm)

–

–

–

–

Age

1.01

0.96

1.06

0.105

AO/OTA Classification

Ref (A1 + A3)

1.89

0.66

5.45

0.237

Intramedullary Device

Ref (Gamma3)

0.76

0.44

1.34

0.348

MSC

 

2–4-6–8

3.15

0.81

12.21

0.097

 

1–3-7–9

3.79

0.91

15.77

0.067

Quality of reduction

Ref (good)

1.37

0.48

3.92

0.533

Weight Bearing

Ref (no)

0.55

0.19

1.58

0.266

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