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Table 4 Determinants of willingness to undergo total knee replacement (TKR) by race

From: Determinants of patient preferences for total knee replacement: African-Americans and whites

  White African-American
OR (95 % CI)a OR (95 % CI)a
Knowledge of TKR   
 Understands knee replacement   1.80 (0.97, 3.35)
 Length of hospital stay   0.81 (0.58, 1.13)
 Extent of pain after recovery   0.73 (0.39, 1.35)
 Extent of difficulty walking after recovery   0.66 (0.37, 1.16)
Expectations of TKRb   
 Second quartile 1.70 (0.86, 3.33) 1.85 (0.76, 4.51)
 Third quartile 2.73 (1.32, 5.65) 2.82 (1.30, 6.15)
 Highest quartile 5.11 (2.31, 11.30) 2.08 (0.91, 4.79)
TKR process   
 Doctor ever discussed surgery 1.96 (1.05, 3.68)  
 Referred to surgeon 0.56 (0.32, 0.99)  
Religiosityb   
 Second quartile   2.52 (0.93, 6.84)
 Third quartile   1.21 (0.43, 3.42)
 Highest quartile   0.85 (0.32, 2.26)
Trust in physicianb   
 Second quartile   2.14 (0.89, 5.15)
 Third quartile   1.01 (0.46, 2.25)
 Highest quartile   2.17 (0.90, 5.23)
Trust in healthcare systemb   
 Second quartile 2.69 (1.26, 5.76)  
 Third quartile 1.98 (0.91, 4.13)  
 Highest quartile 1.58 (0.75, 3.31)  
Likelihood ratio test, p value <0.001 <0.001
  1. Items were selected from a larger set of variables via stepwise regression. aAdjusted for recruitment site, sex, age, income and Western Ontario McMaster Index total score. bLowest quartile is reference group. OR odds ratio