Cutoffs for disease activity in composite measures.
| Measure | Score Distribution | ||||
|---|---|---|---|---|---|
| 50th Percentile | ROC | VAS Global | Mean* | ||
| Column No. | 1 | 2 | 3 | 4 | 5 |
| PASDAS | Low | 3.7 | N/A | 2.7 | 3.2 |
| Mod | N/A | N/A | 3.7 | N/A | |
| High | 5.5 | 5.6 | 5.1 | 5.4 | |
| GRACE | Low | 3.0 | N/A | 1.6 | 2.3 |
| Mod | N/A | N/A | 2.9 | N/A | |
| High | 4.6 | 5.2 | 4.3 | 4.7 | |
| CPDAI | Low | 4 | N/A | 4 | 4 |
| Mod | N/A | N/A | 6 | N/A | |
| High | 7 | 8 | 8 | 8 | |
| DAS28-CRP | Low | 2.8 | N/A | 2.7 | 2.8 |
| Mod | N/A | N/A | 3.3 | N/A | |
| High | 3.9 | 4.7 | 4.1 | 4.2 | |
| DAPSA | Low | 18.5 | N/A | 18.5 | 18.5 |
| Mod | N/A | N/A | 31.2 | N/A | |
| High | 33.1 | 55.2 | 47.0 | 45.1 | |
↵* Mean of estimates (50th percentile, ROC, and VAS global). CPDAI: Composite Psoriatic Disease Activity Index; DAPSA: Disease Activity score for PSoriatic Arthritis; DAS28-CRP: Disease Activity Score for 28 joints–C-reactive protein; GRACE: GRAPPA Composite Exercise; GRAPPA: Group for Research and Assessment of Psoriasis and Psoriatic Arthritis; N/A: not available; PASDAS: Psoriatic ArthritiS Disease Activity Score; ROC: receiver-operating curve; VAS: visual analog score.