Variable | Univariate 1 year (n=74) | Multivariate 1 year (n=74) | |||
---|---|---|---|---|---|
Pooled OR (95% CI) | Pooled Sig | Pooled OR (95% CI) | Pooled Sig | AUC | |
Patient characteristics | 0.70 | ||||
Age in years | 1.0 (0.9 to 1.1) | 0.98 | |||
Gender (men vs women) | 1.2 (0.5 to 3.3) | 0.69 | |||
Body mass index >25 | 2.3 (0.7 to 7.7) | 0.19* | |||
Low/middle education level | 2.4 (0.8 to 6.8) | 0.11* | 2.5 (0.8 to 7.8) | 0.12 | |
Comorbidity skeletal system | 0.8 (0.3 to 2.5) | 0.75 | |||
Non-skeletal comorbidity | 3.5 (0.7 to 17.9) | 0.13* | 3.4 (0.6 to 19.7) | 0.17 | |
Poor health (COOP-WONCA) | 2.7 (0.7 to 11.0) | 0.17* | 3.7 (0.9 to 15.5) | 0.09 | |
Sports | 0.4 (.01 to 1.5) | 0.18* | |||
Symptom characteristics | 0.70 | ||||
Duration >3 months | 1.0 (0.4 to 2.8) | 0.95 | |||
Recurrent symptoms | 0.6 (0.2 to 1.7) | 0.35 | |||
Bilateral symptoms | 2.0 (0.7 to 5.6) | 0.18* | 2.6 (0.9 to 8.1) | 0.09 | |
Pain (11-point scale) | 1.0 (0.8 to 1.2) | 0.88 | |||
Self-report warm knee | 1.3 (0.4 to 4.1) | 0.63 | |||
Self-report swollen knee | 2.6 (0.8 to 8.4) | 0.12* | 2.5 (0.7 to 9.2) | 0.17 | |
Self-report crepitus knee | 1.0 (0.1 to 6.2) | 0.95 | |||
Locking of the knee (Lysholm) | 4.2 (0.9 to 20.3) | 0.07* | 3.9 (0.7 to 20.1) | 0.11 | |
Instability of the knee (Lysholm) | 1.2 (0.4 to 3.2) | 0.78 | |||
History of knee symptoms | 1.9 (0.7 to 5.4) | 0.23 | |||
WOMAC function | 1.0 (0.9 to 1.0) | 0.21 | |||
WOMAC pain | 1.0 (0.9 to 1.0) | 0.24 | |||
WOMAC stiffness | 1.0 (0.9 to 1.0) | 0.31 | |||
Patient and symptom characteristics | 0.76 | ||||
Low/middle education level | 4.5 (1.2 to 16.4) | 0.02 | |||
Poor health (COOP-WONCA) | 4.7 (0.9 to 23.8) | 0.06 | |||
Bilateral symptoms | 3.4 (1.0 to 11.8) | 0.05 | |||
Self-report swollen knee | 4.9 (1.2 to 20.2) | 0.03 |
*Selected in ≥3 out 5 imputed databases (p≤0.20).
AUC, area under the receiver operating curve; COOP, primary care cooperative information project; GP, general practitioner; WOMAC, Western Ontario and McMaster Universities Osteoarthritis Index; WONCA, world organization of family doctors.