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Table 4 Multivariable-adjusted a odds of Overall Knee status at 2- and 5-years following Primary TKA or Revision TKA

From: Depression in primary TKA and higher medical comorbidities in revision TKA are associated with suboptimal subjective improvement in knee function

  Overall knee status at 2 years p-value Overall knee status at 5 years p-value
Odds ratio (95% CI)   Odds ratio (95% CI)  
Primary TKA
Deyo-Charlson index (5-point increase)     
  Better 1.0 (0.6 to 1.7) 0.90 1.0 (0.6 to 1.5) 0.94
  Much better 0.9 (0.6 to 1.3) 0.47 0.8 (0.6 to 1.2) 0.25
Anxiety      
  Better 1.3 (0.6 to 2.8) 0.58 0.9 (0.5 to 1.8) 0.83
  Much better 0.9 (0.4 to 1.8) 0.71 0.8 (0.5 to 1.5) 0.50
Depression      
  Better 0.6 (0.3 to 1.2) 0.17 1.1 (0.7 to 2.0) 0.61
  Much better 0.5 (0.3 to 0.9) 0.02 0.9 (0.5 to 1.4) 0.55
Revision TKA
Deyo-Charlson index (5-point increase)     
  Better 1.5 (0.8 to 2.7) 0.21 0.4 (0.2 to 1.1) 0.07
  Much better 1.2 (0.7 to 2.1) 0.48 0.5 (0.2 to 1.0) 0.05
Anxiety      
  Better 1.3 (0.5 to 3.3) 0.60 1.8 (0.4 to 8.0) 0.45
  Much better 0.9 (0.4 to 2.0) 0.75 0.6 (0.1 to 2.9) 0.56
Depression      
  Better 1.0 (0.5 to 2.0) 0.98 1.1 (0.4 to 3.2) 0.86
  Much better 0.6 (0.4 to 1.2) 0.17 0.5 (0.2 to 1.4) 0.21
  1. aMultivariable model additionally adjusted for age to gender to BMI to American Society of Anesthesiologist (ASA) class to distance from medical center to operative diagnosis to implant fixation (cement status) to Deyo-Charlson index to anxiety and depression.