TKR (n = 105)a | p value | THR (n = 117)b | p value | TJR (n = 217) | p value | |
---|---|---|---|---|---|---|
Age (per year) | 0.96 (0.91–1.00) | 0.07 | 0.97 (0.93–1.01) | 0.14 | 0.96 (0,93–0,99) | 0.01 |
Female sex | 1.08 (0.68–1.74) | 0.74 | 1.12 (0.73–1.72) | 0.61 | 1.07 (0.78–1.48) | 0.67 |
BMI (per unit) | 1.13 (1.08–1.19) | <0.0001 | 1.01 (0.96–1.05) | 0.81 | 1.07 (1.03–1.10) | 0.0002 |
Finger length ratio (1–3) | 1.47 (1.07–2,03) | 0.02 | 1.04 (0.79–1.36) | 0.78 | 1.22 (0.99–1.51) | 0.06 |
Hand OA severity (0–4) | 1.04 (0.89–1.22) | 0.61 | 1.17 (1.02–1.34) | 0.03 | 1.11 (1.00–1.24)) | 0.04 |
BMD (per 10 % of predicted) | 1,03 (0,96–1,10) | 0,4 | 0,99 (0,92–1,05) | 0,67 | 1.00 (0,96–1,05) | 0,94 |
Previous TKR | 4.94 (2.42–7.71) | <0.0001 | 0.80 (0.37–1.72)) | 0.56 | 1.91 (1.16–3.14) | 0.01 |
Previous THR | 1.28 (0.68–2.40) | 0.45 | 3.56 (2.04–6.22) | <0.0001 | 2.10 (1.30–3.39) | 0.003 |
Knee symptomsc | 6.77 (3.87–11.85) | <0.0001 | 0.97 (0.65–1.46) | 0.90 | 2.11 (1.56–2.87) | <0.0001 |
Hip symptomsc | 0.77 (0.47–1.27) | 0.30 | 2.92 (1.93–4.41) | <0.0001 | 1.61 (1.17–2.22) | 0.004 |
AUC (95 % CI): | 0.84 (0.81–0.88) | 0.69 (0.64–0.75) | 0.71 (0.68–0.75) | |||
R 2 : Cragg-Uhler (Nagelkerke): | 0.22 | 0.08 | 0.10 |