Risk factors indicative of disability in early RA
| Author (reference) | Study design | Risk factors at baseline | Evidence category |
|---|---|---|---|
| Table adapted from Kim JM and Weisman MH.18 | |||
| Eberhardt and Fex59 | Prospective study of 67 patients with RA; functional assessment – HAQ; 1 year study | Raised HAQ score at baseline, female, low education | III |
| Harrison et al60 | Prospective study of 200 patients with RA and 181 with inflammatory polyarthritis; functional assessment – HAQ; 1 year study | Raised HAQ score at baseline, large joint involvement | III |
| Möttönen et al54 | Prospective study of 142 patients with RA; functional assessment – HAQ; 6 year study | RF positive at 1 year, age >60, ≥4 swollen joints | III |
| van Leeuwen et al61 | Prospective study of 149 patients; functional assessment – HAQ; 3 year study | Increased tender joint | III |
| van Zeben et al58 | Prospective study of 132 patients with RA; functional assessment – HAQ; 6 year study | RF positive, number of swollen joints, and erosion score | III |
| Young et al62 | Prospective study of 151 patients with RA; functional assessment – HAQ; 3 year study | RF positive | III |