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Table 5 Risk of major in-hospital complication following primary TJR: multivariable logistic regressions using either HMD-recorded obesity (model 1) or actual body weight and height (model 2)

From: Use of routine hospital morbidity data together with weight and height of patients to predict in-hospital complications following total joint replacement

 

Multivariable analysis

Multivariable analysis

 

Model 1

Model 2

 

OR (95% CI)

Pvalue

OR (95% CI)

Pvalue

Obesity as recorded in HMD

1.6 (0.9 - 2.9)

0.1

-

-

Weight quintiles, kg

-

-

  

1st quintile: < 73.2 (ref)

1.0

 

2nd quintile: 73.3-79.6

1.2 (0.7 - 2.3)

0.5

3rd quintile: 79.7-84.4

1.7 (0.9 - 3.1)

0.1

4th quintile: 84.5-91.8

1.9 (1.0 - 3.4)

0.04

5th quintile: > 91.9

2.3 (1.2 - 4.4)

0.01

Area under ROC curve:

0.69

 

0.75

 
  1. The models also controlled for age, Charlson Co-morbidity Index, socioeconomic status, height, type of replacement, fracture, years of smoking, presence of a minor complication, number of past hospitalizations, and private or public hospital.
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BMC Health Services Research

ISSN: 1472-6963

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