Table 1.
Colonic diverticulosis, dietary fiber intake, bowel habits and association with internal hemorrhoids on colonoscopy
| All cases (hemorrhoids) (n=355) |
Controls (n=261) |
Adjusted odds ratio1 | 95% CI | |||
|---|---|---|---|---|---|---|
| No. | (%) | No. | (%) | |||
| Diverticulosis | ||||||
| None | 184 | 52 | 179 | 69 | REF | -- |
| Any | 173 | 49 | 82 | 31 | 1.64 | 1.10–2.46 |
| Dietary fiber intake | ||||||
| 1st quartile | 65 | 18 | 51 | 20 | REF | |
| 2nd quartile | 59 | 17 | 48 | 18 | 1.07 | 0.62–1.85 |
| 3rd quartile | 71 | 20 | 41 | 16 | 1.43 | 0.82–2.48 |
| 4th quartile | 62 | 17 | 52 | 20 | 1.02 | 0.60–1.74 |
| Bowel movement frequency | ||||||
| <1 bowel movement daily | 45 | 13 | 43 | 16 | 0.74 | 0.44–1.25 |
| 1 bowel movement daily | 153 | 43 | 107 | 41 | REF | -- |
| >1 bowel movement daily | 61 | 17 | 45 | 17 | 0.89 | 0.55–1.43 |
| Bristol Stool Scale | ||||||
| Types 1 & 2 | 21 | 6 | 22 | 8 | 0.68 | 0.34–1.34 |
| Types 3,4,5 | 186 | 52 | 131 | 5 | REF | -- |
| Types 6 & 7 | 16 | 5 | 15 | 6 | 0.82 | 0.38–1.76 |
| Laxative use | ||||||
| Never | 175 | 49 | 137 | 52 | REF | -- |
| Rarely (<1/month) | 43 | 12 | 29 | 11 | 1.31 | 0.76–2.26 |
| Occasionally (1 day or more/month) | 16 | 5 | 10 | 4 | 1.15 | 0.48–2.79 |
| Regularly (3 days or more/week) | 26 | 7 | 19 | 7 | 1.17 | 0.60–2.29 |
| Irritable bowel syndrome | ||||||
| No | 236 | 66 | 162 | 62 | REF | -- |
| Yes | 22 | 6 | 30 | 11 | 0.51 | 0.28–0.95 |
1
Adjusted for age, sex, dietary fiber consumption