Table 1.
Study cohort.
| Patient Characteristics | IBD | Non-IBD | p | |||
|---|---|---|---|---|---|---|
| All IBD | CD | UC | IBDU | |||
| Age (mean) | 31.62 | 31.2 | 32.06 | 31.9 | 29.72 | 0.000009 |
| Age (median) | 32 | 31 | 33 | 33.5 | 30 | |
| Primiparous, N (%) | 90 (50.28) |
46 (51.11) |
40 (50.63) |
4 (40) |
12,549 (39.83) |
0.0016 |
| Multiparous, N (%) | 79 (44.13) |
38 (42.22) |
36 (45.57) |
5 (50) |
18,960 (60.18) |
|
| Parity not recoded, N (%) | 10 (5.59) |
6 (6.67) |
3 (3.80) |
1 (10) |
1108 (3.52) |
|
| TOTAL | 179 | 90 | 79 | 10 | 31,509 | |
IBD—inflammatory bowel disease; CD—Crohn’s disease; UC—ulcerative colitis; IBDU—inflammatory bowel disease unclassified.