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Table 4 Study variables associated with the prevalence of total joint replacements (Knee or Hip)

From: Incidence and prevalence of total joint replacements due to osteoarthritis in the elderly: risk factors and factors associated with late life prevalence in the AGES-Reykjavik Study

  THR (n = 702) p value THR p value
  Multivariate 1   Multivariate 2  
Age (per year) 1.01 (1.00–1.03) 0.11 1.01 (1.00–1.03) 0.15
Female sex 1.36 (1.15–1.62) 0.0005 1.41 (1.17–1.71) <0.0001
BMI (per unit) 1.08 (1.06–1.1) <0.0001 1.08 (1.06–1.1) <0.0001
Finger length ratio (1–3) 1.22 (1.07–1.38) 0.002 1.22 (1.07–1.38) 0.002
Hand OA severity (0–4) 1.19 (1.13–1.27) <0.0001 1.19 (1.12–1.26) <0.0001
BMD (per 10 percent of predicted) 1.04 (1.02–1.07) 0.001 1.04 (1.02–1.07) 0.001
Education (1–4)    1.03 (0.94–1.13) 0.58
Smoking history (1–3)    0.95 (0.84–1.08) 0.46
hs-CRP    1.00 (0.99–1.02) 0.67
Cholesterol    0.95 (0.87–1.04) 0.31
Triglycerides    0.92 (0.80–1.06) 0.24
Statin use    1.04 (0.83–1.31) 0.75
AUC (95 % CI): 0.65 (0.63–0.67)   0.65 (0.63–0.67)  
R 2 : Cragg-Uhler (Nagelkerke): 0.06   0.03