Sensitivities and specificities for the presence of arthralgia at risk of RA with the clinical expertise on CSA as reference
| Number of parameters present | Sensitivity (%) | Specificity (%) |
|---|---|---|
| ≥1 | 100.0 | 14.1 |
| ≥2 | 98.4 | 53.8 |
| ≥3 | 90.2 | 74.4 |
| ≥4 | 70.5 | 93.6 |
| ≥5 | 32.8 | 100.0 |
| ≥6 | 16.4 | 100.0 |
| ≥7 | 1.6 | 100.0 |
CSA, clinically suspect arthralgia; RA, rheumatoid arthritis.