Virtual colonoscopy, optical colonoscopy, or fecal occult blood testing for colorectal cancer screening: results of a pilot randomized controlled trial

Table 1 Baseline characteristics of study participants

Characteristics	FOBT	Optical Colonoscopy	Virtual Colonoscopy	P*
Characteristics	(N = 67)	(N = 66)	(N = 65)
Age, years, mean (SD)	58.7 (5.4)	58.4 (5.6)	59 (5.6)	0.77
Female	31 (46)	25 (38)	38 (58)	0.06
Colorectal cancer in first degree relative(s)	9 (13)	9 (14)	8 (12)	0.97
Signs or symptoms
Change in bowel habit	4 (6)	1 (2)	1 (2)	0.23
Blood in stool	3 (4)	0 (0)	1 (2)	0.18
Abdominal pain	0 (0)	0 (0)	0 (0)	1.00
>10 % weight loss in past 6 months	0 (0)	0 (0)	0 (0)	1.00
Unexplained anemia	0 (0)	0 (0)	0 (0)	1.00
Smoking history
Never	36 (54)	34 (51)	29 (45)	0.63
Former	27 (40)	25 (38)	30 (46)
Current	4 (6)	7 (11)	6 (9)

Data are reported as number (percent) unless otherwise indicated. FOBT, fecal occult blood testing
*P value is for comparison of means or proportions across the 3 groups using one-way analysis of variance or chi-squared tests, respectively

ISSN: 1745-6215