Interobserver agreement for MRI recommendation between extended role practitioner (ERP) and rheumatologists (n = 57).
| MRI Recommendation | Percentage Agreement | Cohen’s κ (95% CI) | PABAK |
|---|---|---|---|
| ERP and Rheum consensus | 71.1 | 0.43 (0.2–0.66) | 0.42 |
| ERP and Rheum 1 | 75 | 0.48 (0.23–0.72) | 0.50 |
| ERP and Rheum 2 | 64.2 | 0.32 (0.1–0.5) | 0.28 |
| ERP and Fellow | 64.7 | 0.31 (0.13–0.55) | 0.29 |
| Rheum 1 and Rheum 2 | 63.7 | 0.29 (0.06–0.53) | 0.27 |
| Rheum 1 and Fellow | 62.9 | 0.27 (0.02–0.52) | 0.26 |
| Rheum 2 and Fellow | 74 | 0.47 (0.24–0.71) | 0.48 |
PABAK: prevalence-adjusted, bias-adjusted κ; MRI: magnetic resonance imaging.