Regional variations in mortality rates of pancreatic cancer in China: Results from 1990-1992 national mortality survey

Table 1 Selected indices derived from pancreatic cancer mortality (1/100000) in China, 1990-1992

	Crude rate	ASMR1	ASMR2	Mortality proportion to all cancer death (%)
Total	1.48	1.30	1.74	1.38
Male	1.65	1.52	2.03	1.25
Female	1.29	1.08	1.46	1.62

ASMR: Age adjusted mortality rate, 1 = the Chinese population in 1980, 2 = world population.

Table 2 Age-standardized mortality rates and proportion of major malignant cancers in China

Type of tumor	Males			Females			Total
	ASR	P (%)	Rank	ASR	P (%)	Rank	ASR	P (%)	Rank
Stomach	30.78	25.10	1	14.52	21.80	1	22.51	23.93	1
Liver	25.73	21.42	2	9.55	14.00	3	17.75	18.74	2
Esophagus	20.22	16.45	4	10.32	15.50	2	15.15	16.11	4
Lung	21.68	17.73	3	9.03	13.46	4	15.23	16.18	3
Rectum	3.60	2.94	5	2.55	3.80	7	3.06	3.29	5
Leukemia	3.46	2.67	6	2.86	3.70	8	3.16	3.04	6
Breast				2.93	4.24	6
Brain& nervous system	2.01	1.63	7	1.48	2.02	9	1.74	1.77	7
Cervix	-	-	-	3.16	4.62	5	-	-
Colon	1.49	1.21	9	1.19	1.80	10	1.34	1.43	8
Pancreas	1.52	1.25	8	1.08	1.62	11	1.30	1.38	9
Total	122.35	100.00		67.61	100.00		94.58	100.00

Table 3 Distribution of pancreatic cancer mortality in 22 provinces, cities, and autonomous regions in 1990-1992

Regions	Males		Females		Total		M/F ratio
	CR	ASR	CR	ASR	CR	ASR
Hunan	0.57	0.54	0.36	0.32	0.47	0.43	1.69
Guangxi	0.73	0.73	0.40	0.36	0.58	0.55	2.03
Hainan	0.86	0.76	0.47	0.48	0.67	0.65	1.58
Gansu	0.85	0.87	0.46	0.49	0.66	0.69	1.78
Guizhou	0.97	0.99	0.52	0.51	0.75	0.76	1.94
Jiangxi	0.89	0.92	0.62	0.62	0.76	0.78	1.48
Henan	0.99	0.98	0.68	0.60	0.84	0.78	1.63
Sichuan	1.07	0.99	0.76	0.63	0.92	0.79	1.57
Fujian	1.32	1.36	0.69	0.60	1.01	0.96	2.27
Neimenggu	1.72	1.16	0.84	0.81	1.31	0.99	1.43
Shanxi	1.34	1.21	1.02	0.89	1.19	1.04	1.36
Yunnan	1.38	1.24	0.99	0.87	1.19	1.05	1.43
Hebei	1.49	1.37	0.95	0.81	1.23	1.08	1.69
Anhui	1.50	1.44	1.20	0.96	1.36	1.20	1.50
Ningxia	1.85	1.68	1.17	1.06	1.52	1.38	1.58
Beijing	3.21	2.28	1.97	1.25	2.59	1.75	1.82
Jilin	2.07	1.98	1.80	1.85	1.94	1.91	1.07
Jiangsu	3.29	2.62	3.29	2.20	3.29	2.40	1.19
Heilongjiang	2.52	2.57	2.26	2.38	2.40	2.47	1.08
Liaoning	3.71	3.16	2.76	2.38	3.24	2.78	1.33
Tianjin	5.68	3.80	4.53	2.91	5.10	3.34	1.31
Shanghai	7.55	4.22	6.87	3.26	7.21	3.70	1.29

Table 4 Comparison of pancreatic cancer mortality between urban and rural areas in China, 1990-1992

Region	Sex	CR	ASR
Total	Urban	2.83	2.27
	Rural	1.05	0.95
	U/R ratio	2.67	2.39
Male	Urban	3.16	2.68
	Rural	1.17	1.11
	U/R ratio	2.70	2.41
Female	Urban	2.47	21.89
	Rural	0.92	0.80
	U/R ratio	2.68	2.36