An analysis: Colon cancer mortality in Tianjin, China, from 1981 to 2000

Table 6 Mortality rate of colon cancer in TianJin during 1981-2000.

Year	Male			Female			Total
	Deaths	Rate	ASR	Deaths	Rate	ASR	Deaths	Rate	ASR
1981	40	2.28	2.55	48	2.83	3.1	88	2.55	2.78
1982	32	2.03	2.07	43	2.78	2.81	75	2.4	2.49
1983	41	2.55	2.56	60	3.8	3.71	101	3.17	3.21
1984	32	1.95	1.93	48	2.98	2.88	80	2.46	2.43
1985	47	2.78	2.75	40	2.42	2.22	87	2.61	2.49
1986	46	2.68	2.43	55	3.28	3.04	101	2.97	2.77
1987	46	2.64	2.32	39	2.29	2.01	85	2.47	2.18
1988	42	2.37	2.08	50	2.89	2.64	92	2.63	2.36
1989	54	3.01	2.92	46	2.62	2.26	100	2.82	2.51
1990	52	2.86	2.48	54	3.03	2.49	106	2.94	2.49
1991	57	3.12	2.59	40	2.23	1.77	97	2.68	2.19
1992	49	2.67	2.3	58	3.21	2.44	107	2.94	2.35
1993	52	2.82	2.24	67	3.68	2.74	119	3.24	2.52
1994	78	4.21	3.24	76	4.15	2.98	154	4.18	3.11
1995	68	3.67	2.84	56	3.05	2.14	124	3.36	2.46
1996	67	3.62	2.64	59	3.21	2.42	126	3.41	2.53
1997	62	3.35	2.47	73	3.97	2.58	135	3.66	2.55
1998	61	3.27	2.35	62	3.35	2.19	123	3.31	2.24
1999	65	3.48	2.42	69	3.72	2.36	134	3.6	2.38
2000	50	2.66	1.77	63	3.38	2.09	113	3.02	1.92
Total	1 041	2.92	2.49	1 106	3.15	2.48	2 147	3.04	2.49

Comparison of mean mortality between sexes: χ² = 0.075 (df = 2145), P>0.05.