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Table 4 Association between possible independent predictors and the mean value of EQ VAS

From: Factors influencing health-related quality of life after total hip replacement - a comparison of data from the Swedish and Danish hip arthroplasty registers

Variable Crude Adjusted
  Coef 2.5% to 97.5% Coef 2.5% to 97.5%
Intercept 75.7 75.4 to 76.0 77.5 72.9 to 82.1
Sex
  Male 0 ref 0 ref
  Female -2.7 -3.4 to -2.1 -2.4 -3.1 to -1.8
Charlson’s index
  Low 0 ref 0 ref
  Medium (1–2) -5.8 -6.8 to -4.8 -5.1 -6.1 to -4.1
  High (> 2) -13.8 -17.1 to -10.5 -13.1 -16.8 to -9.3
Denmark
  Country = Sweden -6.1 -7.7 to -4.4 -5.7 -7.2 to -4.1
  1. Adjusted results refer to the full model with the predictors in the table and the spline for age.