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Table 4 kaike’s Information Criterion at each step of the generalized linear model and p-value for each interaction term

From: A predictive model for hip abductor strength and knee extensor strength 12 months after total hip arthroplasty with an interaction term

 

Hip abductor

Knee extensor

Gamma

Normal

Gamma

Normal

AIC

p value

AIC

p value

AIC

p value

AIC

p value

Step1

623.4

 

622.1

 

659.3

 

661.2

 

Step2

610.3

 

607.05*

 

642.3

 

647.3

 

Step3

Age

611.7

 

609.0

0.829

639.8*

0.046*

648.5

 

Physical activity

612.3

 

608.4

0.462

644.2

0.755

649.3

 

Disease duration

610.8

 

607.8

0.296

643.4

0.376

649.3

 

Leg extension

608.9

 

607.11

0.190

643.1

0.299

648.3

 
  1. Abbreviations: AIC Akaike's Information Criterion
  2. Step 1: Univariate analysis, Step 2: Multivariate analysis, Step 3: Multivariate analysis with interaction terms. *: Model with the smallest Akaike’s Information Criterion