Prospective cohort comparison of flavonoid treatment in patients with resected colorectal cancer to prevent recurrence

Table 2 Comparison of clinical variables in patients with resected colon cancer on surveillance colonoscopy treated with flavonoids vs controls

	Flavonoid treatment (n = 14, %)	Controls (n = 15, %)	P value
Males/females	7/7	7/8	> 0.9
Age (yr) median (IQR)	75.0 (77-82)	81.0 (77-86)	0.12
BMI (kg/m²) median (IQR)	26.2 (24.6-28.0) (n = 13)	25.9 (24.5-27.5) (n = 10)	0.57
Smoker/non-smoker	0/13 (0)	1/12 (8)	> 0.9
Alcohol habitual/no	13/0 (100)	7/5 (58)	0.0151
Black tea/no	5/9 (36)	8/5 (61)	0.26
Green tea/no	5/8 (36)	5/6 (45)	> 0.9
Fruit intake < 3/≥ 3 d a week)	2/11 (15)	2/10 (17)	> 0.9
Vegetable intake < 3/≥ 3 d a week)	6/7 (46)	8/4 (67)	0.43
Aspirin/no	4/10 (28)	7/7	0.44
NSAID/no	0/14 (0)	1/13 (7)	> 0.9
Colon vs rectum cancer	13/1 (93)	9/6 (60)	0.080
Low vs high tumor stage (I and II/III)	9/5 (64)	9/6 (60)	> 0.9
Surveillance time by colonoscopy
Years: median (IQR)	4.0 (3.25-5)	3.0 (2-3)	0.0221

IQR: Interquartile range (25%-75%).

¹Significantly different at P < 0.05.