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Table 6 Multiple linear stepwise regression analysis with FL FC as the dependent variable

From: Hip structural analysis: a comparison of DXA with CT in postmenopausal Japanese women

 

Regression coefficient

Model

 

β

p value

R2

p

Model 1

  

0.600

<0.001

CSAIT

0.776

<0.001

  

Model 2

  

0.630

<0.001

CSAIT

0.812

<0.001

  

Age

−0.148

<0.01

  

Weight

−0.132

<0.05

  

Model 3

  

0.644

<0.001

CSAIT

0.415

<0.001

  

CSANN

0.261

<0.001

  

SMIT

0.222

<0.01

  

Model 4

  

0.678

<0.001

CSAIT

0.406

<0.001

  

Total hip BMD

0.428

<0.001

  

SMNN

0.173

<0.001

  

Weight

−0.149

<0.01

  
  1. β: standardized regression coefficient, R2: adjusted R2.
  2. Independent variables included in each model are DXA-HSA indices (CSANN, CThNN, SMNN, BRNN, CSAIT, CThIT, SMIT, and BRIT) in model 1; DXA-HSA indices and total hip BMD, height, weight, and age in model 2; CT-HSA indices (CSANN, CThNN, SMNN, BRNN, CSAIT, CThIT, SMIT, and BRIT ) in model 3; CT-HSA indices, total hip BMD, height, weight, and age in model 4.
  3. CSA: bone cross-sectional area, SM: section modulus, CTh: average cortical thickness, BR: buckling ratio, NN: narrow neck region, IT intertrochanteric region, FL: fracture load, SC: stance configuration, FC: fall configuration.
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