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

Table 5 Hazard ratios and 95%CI for interval cancer vs screen-detected cancers

	Hazard ratio	95% CI	P value
Sex
Female (ref)
Male	1.39	1.01-1.93	0.049
Age (yr)
50-54 (ref)			0.451
55-59	1.37	0.79-2.36	0.258
60-64	1.22	0.72-2.07	0.463
65-69	1.47	0.89-2.44	0.137
Deprivation Index
1 (least deprived) (ref)			0.839
2	0.89	0.54-1.46	0.639
3	1.01	0.63-1.62	0.956
4	0.90	0.54-1.51	0.696
5 (most deprived)	1.16	0.72-1.88	0.537
Location
Rectum (ref)			< 0.001
Proximal1	1.17	0.78-1.77	0.456
Distal2	0.56	0.39-0.82	0.003
Stage
I (ref)			< 0.001
II	1.99	1.11-3.54	0.020
III	3.67	2.31-5.83	< 0.001
IV	26.54	17.37-40.56	< 0.001
CRC type
Screen detected CRC (ref)			< 0.0001
IC FIT	3.31	2.25-4.85	< 0.0001
IC colonoscopy	3.49	1.11-10.97	0.032

¹Caecum, ascending, hepatic flexure, transverse;

²Splenic flexure, descending.