Table 5 Known-groups validity for FACIT-Fatigue in patients with PsA
Analysis | Differences in the FACIT-Fatigue domain scores between the “remission/low disease activity group” and the “active disease group” | |||||
|---|---|---|---|---|---|---|
Experience domain | Impact domain | Total score | ||||
Difference (95% CI) | Effect size | Difference (95% CI) | Effect size | Difference (95% CI) | Effect size | |
Anchor as a continuous variable | 8.52 (8.11, 8.93) | 1.88 | 10.15 (9.59, 10.71) | 1.48 | 18.35 (17.46, 19.24) | 1.68 |
Anchor as a categorical variable | 8.22 (7.52, 8.91) | 1.81 | 10.06 (9.12, 10.99) | 1.46 | 17.89 (16.40, 19.38) | 1.63 |