Table 2.
Patient Characteristics With IBD
| All | No Event (Hospitalization or Steroid Prescription) | Had Event | |
|---|---|---|---|
| N = 20,368 | N = 16,480 | N = 3888 | |
| Age, mean ± SD | 59.1 ± 14.9 | 61.0 ± 14.1 | 53.2 ± 16.2 |
| Male, No. (%) | 19,003 (93.3) | 15,417 (93.6) | 3586 (92.2) |
| Race, No. (%) | 14,443 (70.9) | 11,636 (70.6) | 2807 (72.2) |
| Caucasian | |||
| African American | 1637 (8.0) | 1215 (7.4) | 422 (10.9) |
| Other | 356 (1.7) | 271 (1.6) | 85 (2.2) |
| Unknown or missing | 3932 (19.3) | 3358 (20.4) | 574 (14.8) |
| Disease type, No. (%) | 7052 (34.6) | 5667 (34.4) | 1385 (35.6) |
| Crohn’s disease | |||
| Ulcerative colitis | 10,762 (52.8) | 9178 (55.7) | 1584 (40.7) |
| Indeterminate disease | 2554 (12.5) | 1635 (9.9) | 919 (23.6) |
| Immunosuppressive medication use, No. (%) | 3740 (18.4) | 2036 (12.4) | 1704 (43.8) |
| Nonevent visits per patient, median (IQR) | 10 (2–21) | 9 (4–18) | 17 (7–35) |
| Follow-up time, median (IQR), mo |
67.5 (40.1–89.1) | 67.28 (40.2–89.1) | 66.7 (39.7–89.1) |