Table 3
Smoking habits reported at diagnosis of IBD for 113/118† deceased subjects in the Florence IBD cohort, by IBD type (Florence IBD study 1978–2001)
| Smoking habit | UC (n (%)) | CD (n (%)) |
|---|---|---|
| IBD, inflammatory bowel disease; UC, ulcerative colitis; CD, Crohn’s disease. | ||
| †Data on smoking habits are missing for five deceased subjects (one CD and four UC patients). | ||
| *p value from χ2 test (2 degrees of freedom). | ||
| Current smoker | 20 (25.97) | 21 (58.33) |
| Former smoker | 22 (28.57) | 4 (11.11) |
| Never smoker | 35 (45.46) | 11 (30.56) |
| p = 0.003* | ||
| Total | 77 (100.00) | 36 (100.00) |
