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Table 1 Characteristics of Patients

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

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