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Table 4 Ulnar axis deviation occurred between two groups

From: Older age and multi-joint external fixator are two risk factors of complications in ulnar lengthening in children with hereditary multiple exostosis

Subject

Logistic regression model 1a

Logistic regression model 2b

Estimate value

t

P

Estimate value

t

P

Age

0.044 ± 0.021

2.110

< 0.05

0.048 ± 0.020

2.376

< 0.05

Gender

0.083 ± 0.099

0.838

0.409

–

–

–

Follow-up

− 0.015 ± 0.031

− 0.483

0.632

–

–

–

TypeIIa

− 0.032 ± 0.106

− 0.305

0.763

–

–

–

TypeIIb

0.179 ± 0.103

1.737

0.093

–

–

–

Type of external fixator

0.415 ± 0.099

4.197

< 0.05

0.360 ± 0.093

3.884

< 0.05

  1. Assignment:Type I, Type IIa, Type IIb: 0,0; 1,0; 0,1; Gender:male:1; female:0; Type of external fixator; Monorail:0; Multijoint: 1
  2. aLogistic regression model with multiple variables included
  3. bLogical regression model after eliminating irrelevant variables on the basis of model 1
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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X