Table 1.
Demographic and outcome data of patients treated with flavonoids and controls
| Treated (n = 31) | Controls (n = 56) | P value | |
| Males/females | 17/14 | 31/25 | > 0.9 |
| Age (yr) median (IQR) | 74 (68-80) | 77 (69-82) | 0.35 |
| BMI (kg/m²) median (IQR) | 26.1 (24.4-28.2) (n = 28) | 27.5 (25.0-30.3) (n = 45) | 0.32 |
| Resected colon cancer/polypectomy | 14/17 | 22/34 | 0.65 |
| Surveillance colonoscopy/no | 22/9 | 24/32 | 0.0141 |
| Surveillance time by colonoscopy | |||
| Years: Median (IQR) | 3.5 (3-4.75) (n = 22) | 3.0 (2-3) (n = 24) | 0.0191 |
| Surveillance time by questionnaire | |||
| Years: Median (IQR) | 3.6 (3.1-4.7) | 2.9 (2.5-3.4) | 0.0041 |
| Cancer recurrence/no | 0/20 | 3/18 | 0.23 |
| Polyp recurrence/no | 5/15 | 7/14 | 0.73 |
| Neoplasia recurrence/no | 5/15 | 10/11 | 0.20 |
| Smoker/non-smoker | 2/27 | 6/48 | 0.71 |
| Alcohol/no | 24/5 | 33/20 | 0.08 |
| Black tea/no | 16/15 | 27/26 | > 0.9 |
| Green tea/no | 13/16 | 21/27 | > 0.9 |
| Fruit intake < 3/≥ 3 × weekly | 8/20 | 17/35 | 0.80 |
| Vegetable intake < 3/≥ 3 × weekly | 15/13 | 29/22 | 0.82 |
| Aspirin use/no | 11/20 | 18/37 | 0.82 |
| NSAID use/no | 2/29 | 3/52 | > 0.9 |
| Colon cancer in family/no | 1/30 | 6/49 | 0.41 |
| Adenomas in family/no | 2/29 | 1/54 | 0.29 |
IQR: Interquartile range (25%-75%); BMI: Body mass index; n: Number of patients;
1
Significantly different at P < 0.05.