1.

Quality evaluation of laryngeal cancer in China, 2008–2012

Year	All				Urban				Rural
	MV%	DCO%	M/I		MV%	DCO%	M/I		MV%	DCO%	M/I
MV%, the percentage of cases morphologically verified; DCO%, the percentage of death certificate-only cases; M/I, mortality to incidence ratio.
2008	78.83	1.44	0.53		79.91	1.40	0.47		72.53	1.65	0.86
2009	76.69	2.93	0.52		78.86	2.54	0.47		67.69	4.49	0.72
2010	74.97	3.06	0.53		80.75	1.90	0.49		64.89	5.07	0.60
2011	78.24	2.66	0.54		82.92	2.00	0.50		68.07	4.10	0.63
2012	76.69	2.06	0.54		80.42	2.11	0.52		71.49	2.00	0.56
Total	77.08	2.43	0.53		80.57	1.99	0.49		68.93	3.46	0.67