Table 3

PROM score vs PsAID item score and differences

	Score (mean±SD)	Difference between scores (mean(95% CI))	95% upper and lower limits of agreement of the scores
FACIT-Fatigue vs PsAID Item 2	4.04±2.5	0.96 (0.63 to 1.29)	4.25 to –2.33
FACIT-Fatigue vs PsAID Item 2	5.00±3.1	0.96 (0.63 to 1.29)	4.25 to –2.33
DLQI vs PsAID Item 3	0.87±1.2	1.50 (1.17 to 1.82)	4.96 to –1.97
DLQI vs PsAID Item 3	2.39±2.6	1.50 (1.17 to 1.82)	4.96 to –1.97
WPAI-SHP vs PsAID Item 4	2.85±2.8	0.70 (0.18 to 1.21)	4.56 to –3.17
WPAI-SHP vs PsAID Item 4	3.54±2.9	0.70 (0.18 to 1.21)	4.56 to –3.17
HAQ vs PsAID Item 5	3.20±2.6	1.02 (0.62 to 1.41)	5.22 to –3.19
HAQ vs PsAID Item 5	4.30±2.8	1.02 (0.62 to 1.41)	5.22 to –3.19
PsAQoL vs PsAID12	4.53±3.0	−0.53 (−0.85 to −0.22)	2.90 to –4.00
PsAQoL vs PsAID12	3.97±2.4	−0.53 (−0.85 to −0.22)	2.90 to –4.00

DLQI, Dermatology Life Quality Index; HAQ, Health Assessment Questionnaire; PsAID, Psoriatic Arthritis Impact of Disease Questionnaire; PsAQoL, Psoriatic Arthritis Quality of Life Questionnaire; PROM, patient-reported outcome measure; WPAI-SHP, Work Productivity and Activity Impairment: Specific Health Problem Questionnaire.