Table 2. Quality evaluation for China cancer registers in 2008.

	All areas			Urban			Rural
	MV%	DCO%	M/I	MV%	DCO%	M/I	MV%	DCO%	M/I
Oral and pharyngeal	84.54	1.33	0.45	83.74	1.52	0.44	90.38	0.00	0.58
Nasopharynx	75.09	1.62	0.56	74.83	1.93	0.56	76.44	0.00	0.60
Esophagus	78.63	1.95	0.78	73.50	2.26	0.78	83.91	1.63	0.77
Stomach	80.67	2.03	0.70	78.79	2.61	0.68	84.85	0.75	0.74
Colon-rectum	81.83	1.44	0.47	81.25	1.59	0.46	86.70	0.18	0.55
Liver	31.35	4.05	0.92	36.49	5.06	0.92	17.91	1.42	0.91
Gallbladder	50.97	3.20	0.76	52.08	3.37	0.75	41.67	1.72	0.79
Pancreas	41.53	4.78	0.88	43.24	5.34	0.88	31.71	1.54	0.93
Throat	81.61	2.17	0.55	82.79	2.31	0.54	73.46	1.23	0.65
Lung	50.84	3.45	0.84	54.37	3.87	0.84	32.96	1.34	0.84
Other organs in chest	60.97	2.72	0.54	63.61	2.84	0.52	35.48	1.61	0.69
Bone	56.70	4.33	0.76	58.63	5.04	0.68	50.00	1.87	1.03
Skin melanoma	93.02	0.84	0.59	92.83	0.65	0.64	94.12	1.96	0.33
Breast	91.92	0.44	0.22	92.03	0.46	0.21	90.86	0.27	0.31
Cervix	91.53	0.65	0.24	91.38	0.73	0.22	92.08	0.35	0.31
uterus	88.22	1.12	0.29	88.30	1.24	0.27	87.66	0.26	0.46
Ovary	82.64	0.82	0.42	82.57	0.92	0.42	83.27	0.00	0.43
Prostate	74.64	0.95	0.37	74.85	1.02	0.36	71.71	0.00	0.49
Didymus	87.27	0.91	0.17	86.41	0.97	0.16	100.00	0.00	0.43
Kidney	78.81	1.06	0.31	79.73	1.09	0.30	61.11	0.46	0.42
Bladder	80.24	1.01	0.35	80.65	1.10	0.33	76.61	0.20	0.50
Brain	52.66	3.08	0.57	57.22	3.22	0.53	29.70	2.33	0.78
Thyroid gland	89.33	0.32	0.07	89.32	0.32	0.07	89.50	0.25	0.12
Lymphoma	92.87	0.54	0.55	93.39	0.60	0.53	89.19	0.17	0.69
Leukemia	94.57	1.50	0.69	94.88	1.69	0.67	92.96	0.49	0.79
Other cancers	68.50	2.64	0.53	68.26	2.54	0.53	70.58	3.55	0.57
Total	69.33	2.23	0.62	70.53	2.49	0.59	64.22	1.12	0.73