Table 2.
Seasonal pattern of first three exacerbations of IBD
| Type of IBD | Number of exacerbations | Season | |||||
|---|---|---|---|---|---|---|---|
| Winter | Spring | Summer | Fall | Total | p | ||
| n (%) | n (%) | n (%) | n (%) | n (%) | |||
| CD | First | 20 (25.3 %) | 12 (27.8 %) | 19 (24.1 %) | 18 (22.8 %) | 79 (100 %) | 0.695 |
| Second | 9 (21.4 %) | 12 (28.6 %) | 17 (40.5 %) | 4 (9.5 %) | 42 (100 %) | 0.103 | |
| Third | 3 (12 %) | 5 (20 %) | 12 (48 %) | 5 (20 %) | 25 (100 %) | 0.138 | |
| UC | First | 13 (20.3 %) | 23 (35.9 %) | 12 (18.8 %) | 16 (25 %) | 64 (100 %) | 0.450 |
| Second | 10 (25 %) | 9 (22.5 %) | 14 (35 %) | 7 (17.5 %) | 40 (100 %) | 0.614 | |
| Third | 3 (13 %) | 6 (26.1 %) | 8 (34.8 %) | 6 (26.1 %) | 23 (100 %) | 0.602 | |
IBD inflammatory bowel diseases, UC ulcerative colitis, CD Crohn’s disease