Predictor variables in the Canadian model | Original ReACCh-Out cohorta | Fine-tuned in the Nordic cohortb |
---|---|---|
Constant | Intercept = − 2.92 | Intercept = 2.76 |
Active joint count, n = 440 | 0.18 | 0.21 |
Psoriatic arthritis, n = 440 | − 1.23 | − 1.40 |
Oligoarthritis, n = 440 | − 1.14 | − 0.72 |
RF-negative polyarthritis, n = 440 | − 0.49 | − 0.68 |
Upper limb joint involvement, n = 440 | 0.75 | − 1.11 |
Symmetric joint involvement, n = 439 | − 0.88 | 0.68 |
RF positivity, n = 241 | 1.31 | − 1.06 |
Subtalar joint involvement, n = 439 | − 1.42 | − 2.81 |
Finger joint involvement, n = 439 | − 0.31 | 1.31 |
Cervical spine involvement, n = 439 | 0.84 | 0.38 |
Ankle joint involvement, n = 439 | 0.48 | − 0.25 |
Presence of morning stiffness, n = 340 | 0.56 | 1.64 |
Hip involvement, n = 439 | 0.06 | − 0.50 |
TMJ-involvement, n = 439 | 1.50 | 0.09 |
Mid foot involvement, n = 439 | 0.54 | 0.39 |
Presence of enthesitis, n = 437 | 0.86 | 1.26 |