2.

1989年-2008年中国肺癌发病率城乡比值

Incidence rate ratio (IRR) of lung cancer between urban and rural areas in China, 1989-2008

Year	Total			Male			Female
	IRR	95%CI		IRR	95%CI		IRR	95%CI
1989	2.07	1.91-2.25		1.99	1.80-2.19		2.25	1.94-2.60
1990	1.79	1.66-1.93		1.72	1.57-1.89		1.93	1.68-2.21
1991	1.97	1.82-2.13		1.89	1.71-2.07		2.15	1.86-2.48
1992	1.84	1.70-1.99		1.67	1.53-1.83		2.27	1.96-2.64
1993	2.08	1.92-2.25		1.90	1.73-2.08		2.52	2.18-2.91
1994	2.08	1.92-2.25		1.84	1.68-2.02		2.76	2.36-3.21
1995	1.79	1.67-1.92		1.54	1.41-1.67		2.54	2.20-2.93
1996	1.80	1.67-1.94		1.58	1.45-1.73		2.39	2.08-2.76
1997	1.64	1.53-1.76		1.44	1.33-1.57		2.20	1.92-2.52
1998	1.56	1.49-1.63		1.36	1.29-1.44		2.11	1.93-2.30
1999	1.53	1.46-1.60		1.36	1.29-1.44		1.94	1.78-2.11
2000	1.60	1.53-1.67		1.48	1.40-1.56		1.88	1.74-2.04
2001	1.46	1.40-1.52		1.32	1.25-1.39		1.81	1.67-1.96
2002	1.46	1.40-1.52		1.31	1.25-1.38		1.84	1.70-1.99
2003	1.33	1.29-1.38		1.23	1.18-1.29		1.55	1.46-1.65
2004	1.38	1.33-1.42		1.28	1.24-1.34		1.59	1.50-1.69
2005	1.23	1.19-1.27		1.13	1.09-1.17		1.48	1.40-1.57
2006	1.11	1.08-1.15		1.05	1.01-1.09		1.27	1.20-1.34
2007	1.17	1.14-1.21		1.10	1.06-1.14		1.35	1.28-1.42
2008	1.14	1.11-1.17		1.07	1.03-1.10		1.32	1.26-1.39
P	< 0.001			< 0.001			< 0.001