Table 2

Correlations with demographic and disease characteristics

Variable	FACIT fatigue score		mFSS score
Variable	Correlation coefficient (95% CI)	p Value	Correlation coefficient (95% CI)	p Value
FACIT fatigue, Functional Assessment of Chronic Illness Therapy-Fatigue; mFSS, modified Fatigue Severity Scale; PsA, psoriatic arthritis.
Age	0.01 (−0.16 to 0.18)	0.88	0.05 (−0.12 to 0.22)	0.55
Disease duration of psoriasis	−0.01 (−0.18 to 0.16)	0.93	0.03 (−0.14 to 0.20)	0.72
Disease duration of PsA	−0.03 (−0.20 to 0.14)	0.78	0.02 (−0.16 to 0.19)	0.79
Actively inflamed joints	−0.43 (−0.56 to −0.28)	<0.001	0.37 (0.21 to 0.51)	<0.001
Swollen joints	−0.27 (−0.42 to −0.10)	0.002	0.15 (−0.02 to 0.31)	0.09
Damaged joints	−0.06 (−0.23 to 0.11)	0.51	0.16 (−0.01 to 0.32)	0.07