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Quality control indicators for primary bone cancers in China, 2014

Areas	Sex	M/I	%
			MV	DCO	UB
M/I, mortality to incidence ratio; MV, morphologically verified; DCO, death certificate-only; UB, unknown basis.
All	Both	0.72	41.63	4.28	1.03
	Male	0.75	40.73	4.47	0.94
	Female	0.69	42.81	4.04	1.14
Urban areas	Both	0.70	44.73	6.31	1.67
	Male	0.73	43.10	6.71	1.66
	Female	0.65	46.76	5.82	1.69
Rural areas	Both	0.74	39.04	2.59	0.49
	Male	0.76	38.82	2.67	0.36
	Female	0.72	39.34	2.48	0.66