Construct validity of EQ-5D-5L among patients with inflammatory bowel disease—a study based on real-world data from the Swedish Inflammatory Bowel Disease Registry

Journal of Patient-Reported Outcomes

Table 4 Spearman’s rank correlations between EQ-5D-5L variables and the other measures

	EQ-5D-5L
	Mobility (n = 9769)	Self-care (n = 9769)	Usual activities (n = 9769)	Pain/discomfort (n = 9769)	Anxiety/depression (n = 9769)	EQ VAS (n = 8285)	Index value (n = 9769)
PGA score (n = 9651)	0.13	0.09	0.33	0.35	0.30	−0.35	−0.36
SHS 1: Symptoms (n = 9769)	0.25	0.16	0.47	0.57	0.43	−0.52	−0.57
SHS 2: Interference in daily life (n = 9769)	0.30	0.19	0.54	0.55	0.47	−0.54	−0.60
SHS 3: Worry caused by IBD (n = 9769)	0.21	0.15	0.43	0.47	0.58	−0.50	−0.56
SHS 4: General feeling of well-being (n = 9769)	0.38	0.24	0.54	0.57	0.57	−0.70	−0.66
SI: Abdominal pain (n = 8132)	0.27	0.18	0.43	0.59	0.43	−0.43	−0.57

All correlations are significant at the 0.01 level (2-tailed). Correlations in grey fields are those that were included in the hypotheses and those in bold were in line with the predetermined hypotheses
PGA Physician Global Assessment, SD Standard deviation, SHS Short Health Scale, SI Symptom index