Table 3.

Overall 30-day and 1-year mortality and relative 1-year mortality rates in percentages according to type of tumor

	Colon cancer				Rectal cancer
	Overall mortality			Excess mortality	Overall mortality			Excess mortality
	N	≤30 days	1st year	1st year	N	≤30 days	1st year	1st year
Sex
Male	2,976	4.6	15.7	11.3	1,639	2.1	13.2	9.4
Female	3,429	4.1	14.5	10.9	1,353	1.3	9.9	6.9
Age (years)
<65	1,740	1.4	6.8	6.1	1,047	0.2	5.1	4.4
65–74	1,916	2.4	10.8	8.5	892	1.4	9.5	7.2
≥75	2,749	7.5	23.2	16.0	1,053	3.7	20.1	13.1
Grade
I	436	2.1	9.9	6.0	162	3.1	8.0	4.9
II	4,284	4.4	12.6	8.5	2,140	1.8	10.2	6.6
III	1,065	4.7	25.2	21.3	440	1.6	22.3	19.5
Unknown	620	4.8	18.2	14.8	250	1.2	8.4	5.2
Stage
I	1,179	1.7	8.0	4.0	1,023	1.5	7.6	3.8
II	3,143	5.0	13.5	4.0	966	2.4	12.7	9.1
III	2,083	4.8	21.4	4.0	1,003	1.5	14.9	12.1