Colorectal and interval cancers of the Colorectal Cancer Screening Program in the Basque Country (Spain)

Table 4 Multivariate analysis of patients and tumors predictors of interval cancers compared with screen-detected cancers

	% with CI	OR (95%CI)	P value
Sex
Female	69 (33.8)	1 (ref.)
Male	135 (66.2)	1.03 (0.76-1.39)	0.860
Age (yr)
50-54	28 (13.7)	1 (ref.)
55-59	58 (28.4)	1.44 (0.90-2.31)	0.127
60-64	71 (34.8)	1.34 (0.84-2.11)	0.206
65-69	47 (23.0)	0.70 (0.43-1.14)	0.153
Deprivation
1 (least deprived)	45 (23.3)	1 (ref.)
2	44 (22.8)	1.01 (0.66-1.56)	0.954
3	35 (18.1)	0.75 (0.48-1.19)	0.222
4	40 (20.7)	1.00 (0.64-1.57)	0.984
5 (most deprived)	29 (15.0)	0.81 (0.50-1.32)	0.396
Location
Proximal1	74 (36.8)	1 (ref.)
Distal2	67 (33.3)	0.28 (0.20-0.40)	< 0.0001
Rectum	60 (29.9)	0.96 (0.67-1.38)	0.824
Stage
I	47 (23.0)	1 (ref.)
II	38 (18.6)	2.73 (1.75-4.24)	< 0.0001
III	64 (31.4)	3.31 (2.24-4.88)	< 0.0001
IV	55 (27.0)	10.59 (6.93-16.18)	< 0.0001

¹Caecum, ascending, hepatic flexure, transverse;

²Splenic flexure, descending.