Prospective cohort study of comprehensive prevention to gastric cancer

Table 1 Composition of the samples

	Male	Female	Total
Intervention group	26922	26256	53178
Control group	23840	23924	47788
Total	50762	50204	100966

Table 2 Linear correlation in gender of gastric cancer mortal-ity in intervention groups

Group	r	F	P
Male	0.8688	9.2369	0.0559
Female	0.6690	2.4308	0.2169
Total	0.8148	5.9256	0.0930

Table 3 Cumulative mortality rate and relative risk

	Total person-year	Death No	CMR (10-5)	RR	RR 95%CI	AR%
Control	99816	69	69.13
Intervention	117234	41	34.97	0.5059	0.3462-0.7392	49.41

Table 4 PYLL and its RR

	Total person-year	PYLL	PYLL ( ‰ )	RR	RR 95%CI	AR%
Control	87757	272	3.10
Intervention	103191	223	2.16	0.6778	0.5604-0.8198	30.32

Table 5 Annual survival rate and its 95%CI

Year	Survival rate	Standard error	95%CI of survival rate
1-	0.8305	0.0691	0.6951,
2-	0.7173	0.0852	0.5503,
3-	0.7173	0.0852	0.5503,
4-	0.6751	0.0956	0.5298,