Cut-offs used in AMDF
| Measure | Cut point 1 | Cut point 2 | Cut point 3 |
|---|---|---|---|
| Swollen joint count (0–66)* | 1 | 3 | 5 |
| Tender joint count (0–68)* | 2 | 5 | 8 |
| VAS patient global (0–100)* | 15 | 30 | 50 |
| VAS patient skin (0–100)† | 10 | 30 | 50 |
| VAS patient joints (0–100)† | 10 | 30 | 50 |
| HAQ (0–3)* | 0.5 | 1.0 | 2.0 |
| PASI (0–72)† | 3.5 | 9.5 | 15.0 |
| PsAQoL (0–20)† | 3 | 7 | 11 |
Cut point 1 between remission and low disease activity. Cut point 2 between low disease activity and moderate disease activity. Cut point 3 between moderate disease activity and high disease activity.
*Indicates cut-offs obtained in development of minimal disease activity criteria.
†Indicates cut-offs obtained for the current study.
HAQ, health assessment questionnaire; PASI, psoriasis area and severity index.