Effectiveness of colonoscopy, immune fecal occult blood testing, and risk-graded screening strategies in colorectal cancer screening

Table 5 Comparison of colonoscopy load in random colorectal tumors

Screening phase	Random colorectal tumors (n, 95%CI)
	Colonoscopy group	FIT group	Graded screening group
Baseline screening
Overall	4.1 (3.8-4.5)	3.2 (2.9-3.5)	3.5 (3.2-3.8)
Male	3.0 (2.7-3.4)	2.5 (2.2-2.8)	2.8 (2.6-3.1)
Female	5.6 (4.9-6.4)	4.5 (3.8-5.4)	5.9 (4.9-7.3)
Baseline screening + 1st follow-up screening
Overall	4.1 (3.8-4.5)	3.1 (2.9-3.4)	3.4 (3.2-3.7)
Male	3.0 (2.7-3.4)	2.5 (2.3-2.8)	2.9 (2.6-3.1)
Female	5.6 (4.9-6.4)	4.2 (3.6-4.9)	5.1 (4.3-6.0)
Baseline screening + 1st follow-up screening + 2nd follow-up screening
Overall	4.1 (3.8-4.5)	3.0 (2.8-3.3)	3.5 (3.2-3.7)
Male	3.0 (2.7-3.4)	2.5 (2.3-2.7)	2.9 (2.7-3.1)
Female	5.6 (4.9-6.4)	3.9 (3.5-4.5)	4.9 (4.3-5.6)

FIT: Fecal occult blood test; CI: Confidence interval.