Table 2 Demographic variables at the time of diagnosis in the ulcerative colitis patients included in the study.
| Sex (M/F) | 32/37 |
| Median age at diagnosis (y) | 10.7 (IQR 8.5 to 12.9) |
| Current smoker | 1 (1.4%) |
| Family history | 20 (29.0%) |
| White (%) | 66 (95.6%) |
| Disease extent | |
| Pancolitis | 36 (52.2%) |
| Extensive colitis* | 13 (18.8%) |
| Left sided colitis† | 16 (23.2%) |
| Proctitis | 4 (5.8%) |
| Colectomy (%)‡ | 9/64 (14.1%) |
| Extraintestinal manifestations (%) | 7/67 (10.4%) |
| Anthropometric measurements§ | |
| Weight <9th centile | 11/65 (16.9%) |
| Weight <25th centile | 20/65 (30.8%) |
| Height <9th centile | 9/59 (15.2%) |
| Height <25th centile | 23/59 (39.0%) |
| BMI <9th centile | 6/59 (10.2%) |
| BMI <25th centile | 19/59 (15.2%) |
The data refer to 69 patients at disease diagnosis unless otherwise stated.
*Inflammation beyond the splenic flexure excluding patients with pancolitis.
†Inflammation distal to the splenic flexure excluding patients with proctitis.
‡The number of patients who had had a colectomy by the time of last clinic follow up.
§Based on centile plotted on UK Growth Chart (© Child Growth Foundation, 1996).
BMI, body mass index; IQR, interquartile range; y, years.