Health-related quality of life among Chinese patients with Crohn’s disease: a cross-sectional survey using the EQ-5D-5L

Table 2 Descriptive statistics of the EQ-5D-5L utility

Variables	Mean	SD	Median	Q1	Q3	IQR	Q3-Mean	P^a
Overall	0.85	0.12	0.89	0.78	0.94	0.16	0.09
Gender								< 0.05
Male	0.87	0.11	0.89	0.82	0.95	0.13	0.08
Female	0.80	0.12	0.82	0.74	0.89	0.15	0.09
Age group								> 0.05
< 30	0.85	0.13	0.89	0.75	0.95	0.21	0.11
30–49	0.85	0.10	0.89	0.81	0.89	0.08	0.04
≧ 50	0.80	0.15	0.89	0.68	0.92	0.23	0.11
CD location								> 0.05
L1	0.88	0.09	0.89	0.82	0.95	0.13	0.07
L2	0.77	0.13	0.82	0.72	0.84	0.13	0.07
L3	0.84	0.12	0.89	0.75	0.94	0.20	0.11
L4	1.00	0.00	1.00	1.00	1.00	0.00	0.00
CDAI								< 0.01
≦ 150	0.93	0.05	0.94	0.89	1.00	0.11	0.07
150–450	0.80	0.12	0.82	0.74	0.89	0.15	0.10
Medications								< 0.05
5-Aminosalicylates	0.83	0.13	0.84	0.74	0.89	0.15	0.07
Corticosteroids	0.81	0.13	0.83	0.75	0.89	0.15	0.08
Immunomodulators	0.84	0.12	0.89	0.78	0.89	0.11	0.05
Biologics	0.92	0.07	0.89	0.89	0.95	0.06	0.04
Antibiotics	0.82	0.13	0.82	0.68	0.89	0.22	0.07
Expenditure, RMB								< 0.05
< 8000	0.92	0.08	0.94	0.89	0.95	0.06	0.03
8000–16,000	0.78	0.09	0.89	0.83	0.94	0.12	0.16
16,000–24,000	0.84	0.11	0.83	0.76	0.89	0.14	0.05
> 24,000	0.77	0.13	0.80	0.65	0.89	0.25	0.13

SD standard deviation, IQR interquartile range, CD Crohn’s Disease, CDAI Crohn’s Disease Active Index
P^a: P value was calculated from mean