Table 3
Age-standardized incidence rates (ASIRs) and rate ratios of colorectal cancer, by subsite and area of residence at diagnosis, Ontario, 1998 to 2009

Table 3.
Age-standardized incidence rates (ASIRs) and rate ratios of colorectal cancer, by subsite and area of residence at diagnosis, Ontario, 1998 to 2009
Table summary
This table displays the results of Age-standardized incidence rates (ASIRs) and rate ratios of colorectal cancer. The information is grouped by Subsite and area of residence at diagnosis (appearing as row headers), Number of cases, ASIR per 100,000 , 95% confidence interval and Rate ratio (appearing as column headers).
Subsite and area of residence at diagnosis	Number of cases	ASIR per 100,000	95% confidence interval		Rate ratio	95% confidence interval
Subsite and area of residence at diagnosis	Number of cases	ASIR per 100,000	from	to	Rate ratio	from	to
Colon
Low-Aboriginal identity^Note †	56,312	33.6	33.3	33.9	1.00	Note ...: not applicable	Note ...: not applicable
High-Aboriginal identity	307	46.5^Note *	41.4	52.1	1.38^Note *	1.23	1.55
On reserve	136	39.4	32.9	46.7	1.17	0.98	1.39
Rectum
Low-Aboriginal identity^Note †	27,367	16.4	16.2	16.6	1.00	Note ...: not applicable	Note ...: not applicable
High-Aboriginal identity	171	25.0^Note *	21.3	29.1	1.52^Note *	1.30	1.77
On reserve	63	17.7	13.4	22.7	1.07	0.82	1.38
... not applicable Note † reference group Return to note † referrer Note * significantly different from reference group (p < 0.05) Return to note * referrer Note: Rates are standardized to age distribution of 1991 Canadian population. Sources: Ontario Cancer Registry 2012 (Cancer Care Ontario); 2001 Census of Canada; 2006 Census of Canada.

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