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Table 6 Results of logistic regression models – factors associated with having discussed TJR

From: Which disease-related factors influence patients’ and physicians’ willingness to consider joint replacement in hip and knee OA? Results of a questionnaire survey linked to claims data

Variable Reference OR hip 95% CI hip p-Value hip OR knee 95% CI knee p-Value knee
Age, years per 10 years increase 0.9 (0.72; 1.12) 0.35 1.23 (1.07; 1.42) < 0.01
Sex female Male 0.87 (0.54; 1.41) 0.58 0.69 (0.51; 0.94) 0.02
BMI > =35 kg/m2a < 35 kg/m2 0.45 (0.18; 1.11) 0.08 1.21 (0.75; 1.95) 0.44
Symptom duration, yearsb per 5 years increase 1 (0.9; 1.12) 0.96 1.08 (1; 1.15) 0.04
Deterioration of symptoms in last 2 yearsa no change/improvement 1.1 (0.66; 1.84) 0.72 2.02 (1.44; 2.84) < 0.01
WOMACa per 10 units increase 1.04 (0.91; 1.18) 0.57 1.29 (1.17; 1.42) < 0.01
Any impact on personal lifea No impact 2.65 (1.29; 5.46) 0.01 2.32 (1.5; 3.6) < 0.01
WHO-5a per 10 units increase 1.03 (0.93; 1.15) 0.59 0.91 (0.85; 0.97) 0.01
Orthopaedist is treatinga Other physician is treating 1.54 (0.9; 2.62) 0.11 1.58 (1.1; 2.28) 0.01
NSAID prescriptiona No 1.39 (0.84; 2.3) 0.20 1.3 (0.93; 1.82) 0.13
Opioid prescriptiona No 0.99 (0.46; 2.15) 0.98 1.64 (0.99; 2.7) 0.05
Physical therapy prescriptiona No 0.99 (0.6; 1.64) 0.97 1.08 (0.77; 1.52) 0.66
Already having one artificial joint No 4.19 (2.1; 8.33) < 0.01 3.3 (2.06; 5.28) < 0.01
  1. aadjusted for age, sex, symptom duration
  2. badjusted for age, sex
  3. Results of 12 multiple logistic regression models with “TJR was discussed” as independent variable. Bold values indicate statistically significant associations