Table 1 Basic data and disease characteristics
Overall | CD | UC | |
|---|---|---|---|
n = 2063 | n = 1206 | n = 857 | |
Basic epidemiological and sociodemographic characteristics | |||
Sex: Female; n (%) | 1007 (48.8) | 621 (51.5) | 386 (45.0) |
Age at diagnosis, median (sd) | 31.2 (13.6) | 29.9 (13.5) | 33.0 (13.5) |
Age at enrolment (years) | 41.0 (14.7) | 40.5 (15) | 41.8 (14.3) |
Disease duration (years) | 14.6 (9.9) | 15.4 (10.5) | 13.4 (9.1) |
Duration between diagnosis and enrolment (years) | 9.9 (9.5) | 10.6 (10) | 8.76 (8.70) |
Caucasian; n (%) | 0.8 (0.4) | 0.8 (0.4) | 0.8 (0.4) |
Higher education; n (%) | 447 (27.1) | 237 (25.2) | 210 (29.7) |
Swiss citizenship; n (%) | 1271 (79.9) | 732 (80.1) | 539 (79.7) |
Married; n (%) | 779 (48.1) | 404 (43.8) | 375 (54.0) |
Low physical activity (%) | 652 (40.9) | 406 (44.8) | 246 (35.9) |
Ever smoke; n (%) | 955 (46.3) | 698 (57.9) | 257 (30.0) |
Alcohol: rarely or never; n (%) | 938 (57.0) | 559 (59.4) | 379 (53.7) |
Alcohol: frequent (once a day); n (%) | 111 (6.7) | 73 (7.8) | 38 (5.4) |
Family history of CD; n (%) | 172 (8.9) | 143 (12.7) | 29 (3.6) |
Family history of UC; n (%) | 110 (5.7) | 37 (3.3) | 73 (9.2) |
Disease characteristics | |||
Disease localisation CD | |||
Upper gastrointestinal tract | 11 (0.9) | ||
Ileal | 266 (22.1) | ||
Ileocolonic | 572 (47.4) | ||
Colonic | 263 (21.8) | ||
Disease localisation UC | |||
Proctitis | 134 (15.6) | ||
Left-sided colitis | 286 (33.3) | ||
Pancolitis | 355 (41.3) | ||
Extraintestinal manifestations, any; n (%) | 1181 (57.2) | 738 (61.2) | 443 (51.6) |
Extraintestinal manifestation: arthritis/arthralgia; n (%) | 984 (47.7) | 636 (52.7) | 348 (40.6) |
Fistula in CD; n (%) | 0.4 (0.48) | ||
Fistula surgery in CD; n (%) | 321 (26.6) | ||
Patients with diarrhoea; n (%) | 1378 (66.7) | 820 (68) | 558 (65) |
Abdominal mass in CD; n (%) | 507 (42) | ||
Abdominal tenderness in UC; n (%) | 349 (40.7) | ||
Nightly diarrhoea in UC; n (%) | 296 (34.5) | ||
Blood in stool in UC; n (%) | 448 (52.2) | ||
Stool incontinence in UC; n (%) | 157 (18.3) | ||
Abdominal mass in CD; n (%) | 507 (42) | ||
Abdominal tenderness in UC; n (%) | 349 (40.7) | ||
Nightly diarrhoea in UC; n (%) | 296 (34.5) | ||
Blood in stool in UC; n (%) | 448 (52.2) | ||
Stool incontinence in UC; n (%) | 157 (18.3) | ||