Table 4.
Test–retest reliability (n=263): pain, fatigue, skin problems and PsAID-12 total score
| PsAID-12 score | Mean (95% CI) PsAID-12 score | ICC | ||
| Week 12 | Week 16 | Change from week 12 to week 16 | ||
| PsAID-12 pain | 4.36 (4.04, 4.68) | 4.38 (4.05, 4.71) | 0.02 (−0.15, 0.18) | 0.87 |
| PsAID-12 fatigue | 3.79 (3.48, 4.11) | 3.82 (3.50, 4.14) | 0.03 (−0.16, 0.22) | 0.82 |
| PsAID-12 skin problems | 3.20 (2.85, 3.55) | 3.14 (2.79, 3.48) | −0.06 (−0.30, 0.18) | 0.76 |
| PsAID-12 total score | 3.17 (2.90, 3.44) | 3.18 (2.91, 3.45) | 0.01 (−0.13, 0.14) | 0.88 |
The analysis used data for patients in BE COMPLETE with the same DAPSA category at week 12 and week 16.
DAPSA, Disease Activity Index for Psoriatic Arthritis; ICC, intraclass correlation coefficient; PsAID-12, Psoriatic Arthritis Impact of Disease-12.