Risk factors and long-term outcome of disease extent progression in Asian patients with ulcerative colitis: a retrospective cohort study

Table 1 Characteristics of Patients

	N	%
Gender, n [%]
Male	371	58.7
Female	261	41.3
Age [years] at diagnosis, median [IQR]	37.02(27.49–46.88)
Smoking
Never smoked	513	81.1
Disease extent at diagnosis, n [%]
E1	183	34.4
E2	175	32.9
E3	174	32.7
Severity
mild	348	66.6
moderate	145	27.7
severe	30	5.7
Medical treatment during follow-up
5-Aminosalocylates^a	373	59
oral	196	31
topical	56	8.9
oral and topical	121	19.1
Corticosteroid	224	35.4
Immunomodulator	109	17.3
AZA	99	15.9
6-MP	11	1.8
Methotrexate	18	2.9
Thalidomide	5	0.8
Cyclosporine	7	1.1
Biologics	11	1.7

Note: ^a Patients with combined use of 5-ASA and steroid/IMMs were counted in the Steroid/IMMs group

ISSN: 1471-230X