Skip to main content

Table 5 Logistic regression for pelvic movements (enlargement in pelvic tilt and axial rotation)

From: Effects of body mass index and range of motion on intraoperative change in pelvic tilt during total hip arthroplasty using the direct anterior approach

Objective variable

Explanatory variable

Odds ratio

95% CI

for odds ratio

P value

Nagelkerke R2

Enlargement in pelvic tilt

(constant)

0.628

 

0.745

0.150

 

female

2.635

0.734–9.460

0.137

 
 

BMI

0.889

0.809–0.977

0.014

 
 

abduction

1.015

0.982–1.050

0.365

 
 

internal rotation

1.031

1.002–1.061

0.038

 

Enlargement in axial rotation

(constant)

0.082

  

0.015

 

pelvic tilt at the start of surgery

1.054

0.952–1.167

0.311

 
  1. CI confidence interval, BMI body mass index