Table 1.
Baseline demographic and clinical characteristics of 1721 Crohn’s disease patients from the Cedars-Sinai Medical Center IBD research repository
| Clinical variable | N (%) |
|---|---|
| Sex | |
| Male | 926 (53.8) |
| Female | 795 (46.2) |
| Race | |
| Caucasian | 1602 (93.1) |
| African American | 33 (1.9) |
| Asian | 40 (2.3) |
| Hispanic | 32 (1.8) |
| Other | 14 (0.8) |
| Ethnicity | |
| Jewish | 650 (37.8) |
| Non-Jewish | 1049 (60.9) |
| Unknown | 22 (1.3) |
| Median disease duration in years (range) | 10.2 (0.3–51.5) |
| Age at diagnosis | |
| A1 (≤16 years) | 530 (30.8) |
| A2 (17–40 years) | 962 (55.9) |
| A3 (> 40 years) | 229 (13.3) |
| Disease location | |
| L1 (Ileal) | 333 (20.2) |
| L2 (Colonic) | 308 (18.7) |
| L3 (Ileocolonic) | 1001 (60.7) |
| L4 (Upper GI) | 319 (18.5) |
| Disease Behavior | |
| B1 (Nonstricturing- non penetrating) | 778 (45.8) |
| B2 (Stricturing) | 447 (26.4) |
| B3 (Penetrating) | 170 (9.9) |
| B2 and B3 | 305 (17.9) |
| Perianal Crohn’s disease | 524 (30.4) |
| Family history of Crohn’s disease | 162 (9.4) |
| Number of abdominal surgeries for complicated CD | |
| 0 | 869 (50.4) |
| 1–2 | 690 (40.1) |
| ≥3 | 162 (9.5) |
| Mean duration from CD diagnosis to onset of pCD in years (range) | 3.5 (0.1–38.3) |
CD, Crohn’s disease; pCD, perianal crohn’s disease