1.

肺癌高风险人群性别、年龄分布

Distribution of the population with lung cancer high risk

Items	Questionnaires (n)	High risk population (n)	High risk rate (%)	χ2	P
Gender				6, 275.96	< 0.001
Male	69, 384	20, 924	30.16
Female	81, 151	10, 900	13.43
Age groups (yr)				633.57	< 0.001
40-	54, 682	10, 846	19.83
50-	49, 293	12, 264	24.88
60-	46, 560	8, 714	18.72
Total	150, 535	31, 824	21.14