Interval Cancers in a Population-Based Screening Program for Colorectal Cancer in Catalonia, Spain

Table 5

Distribution of screen-detected and clinically detected CRC according to tumor site and gender.

Tumor site	Screen-detected CRC		Interval CRC (≤30 months)		Clinically diagnosed CRC >30 months
	Men	Women	Men	Women	Men	Women
	(%)	(%)	(%)	(%)	(%)	(%)
Proximal	13 (20.0)	10 (31.3)	8 (19.5)	7 (36.8)	16 (37.2)	12 (44.4)
Distal	37 (56.9)	19 (59.4)	14 (34.1)	6 (31.6)	14 (32.6)	10 (37.0)
Rectum	15 (23.1)	3 (9.4)	19 (46.3)	6 (31.6)	13 (30.2)	5 (18.5)

Men versus women in screen-detected CRC: = 3.34, ; men versus women in interval CRC (≤30 months): = 2.26, ; men versus women in clinically-diagnosed CRC >30 months: = 1.20; .