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Table 2 Seasonal pattern of first three exacerbations of IBD

From: Seasonal variations in onset and exacerbation of inflammatory bowel diseases in children

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

  1. IBD inflammatory bowel diseases, UC ulcerative colitis, CD Crohn’s disease