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Demographics and characteristics of patients
| Gender | |
| Male | 77 (61.6%) |
| Female | 48 (38.4%) |
| Mean age at diagnosis | 33.6 (range: 10-80) |
| Smoke | |
| No | 76 (70.8%) |
| Yes | 26 (20.8%) |
| Former | 23 (18.4%) |
| Family history | |
| No | 106 (84.8%) |
| Yes | 19 (15.2%) |
| Appendicectomy | |
| No | 116 (92.8%) |
| Yes | 9 (7.2%) |
| Characteristics of disease | |
| Ulcerative colitis | 64 (51.2%) |
| Crohn’s disease | 61 (48.8%) |
| Duration of disease at 1st infusion (median) | 52 mo (IQR: 16-110.5) |
| Duration of follow-up (median) | 34 mo (IQR: 19-55.5) |
