Colorectal cancer mortality in Inner Mongolia between 2008 and 2012

Table 1 Percentages of colorectal cancer deaths in Inner Mongolia between 2008 and 2012 n (%)

	CRC	DCS
Diagnostic method
Clinical and laboratory examinations	256 (39.8)	436 (67.8)
Pathology	176 (27.4)	0 (0.0)
Clinical	131 (20.4)	194 (30.2)
Surgery	70 (10.9)	0 (0.0)
Postmortem examination	9 (1.4)	13 (2.0)
Unknown	1 (0.2)	0 (0.0)
Highest diagnostic institution
Provincial hospital	209 (32.5)	94 (14.6)
Municipal hospital	295 (45.9)	317 (49.3)
County level hospital	135 (21.0)	230 (35.8)
Township level hospital	4 (0.6)	2 (0.3)

CRC: Colorectal cancer; DCS: Diseases of the circulatory system.

Table 2 Years of life lost, average years of life lost and mortality for colorectal cancer in two regions of Inner Mongolia between 2008 and 2012

	Total			Eastern			Other
	YLL	AYLL	Mortality (1/105)	YLL	AYLL	Mortality (1/105)	YLL	AYLL	Mortality (1/105)
Annual average	7737.1	17.39	5.57 (5.14-6.00)	3059.5	16.63	5.23 (4.59-5.88)	4691.1	14.13	5.82 (5.24-6.39)
2008	1269.3	16.27	6.15 (5.03-7.26)	577.7	16.05	5.24 (3.82-6.67)	689.0	16.41	7.13 (5.40-8.86)
2009	1393.4	16.79	5.11 (4.21-6.02)	519.2	16.75	4.32 (3.03-5.61)	896.2	13.38	5.68 (4.43-6.93)
2010	1316.3	17.32	4.59 (3.74-5.45)	578.0	18.65	4.31 (3.02-5.60)	734.4	16.32	4.80 (3.65-5.95)
2011	1629.0	15.51	5.98 (5.00-6.95)	664.3	13.84	6.49 (4.85-8.14)	953.2	16.72	5.66 (4.45-6.87)
2012	1813.5	17.61	6.14 (5.16-7.12)	703.0	18.50	5.95 (4.38-7.52)	1119.1	12.86	6.25 (4.99-7.51)

YLL: Years of life lost; AYLL: Average years of life lost.

Table 3 Conditional logistic regression analysis of socio-demographic characteristics for colorectal cancer mortality

Characteristic	P	OR	95%CI
Marital status	0.259
Unmarried
Married
Occupation	0.003
Unemployment		1
Employment		0.64	0.48-0.86
Education level	< 0.001
Illiterate and primary school		1
Middle school and higher		2.39	1.76-3.25
Area of residence	< 0.001
Rural		1
Urban		1.74	1.29-2.35