Prevalence of Precancerous Conditions and Gastric Cancer Based upon the National Cancer Screening Program in Korea for 7 Years, Single Center Experience

Table 1

Demographic characteristics of the study population.

Age (years)	Males, (%)		Females, (%)		Total, (%)
Mean age ± SD	57.19 ± 10.03		55.49 ± 9.47		56.23 ± 9.76
40–49	4,544	(11.1)	6,935	(17.0)	11,479	(28.1)
50–59	6,618	(16.2)	8,931	(22.0)	15,549	(38.2)
60–69	4,131	(10.1)	4,959	(12.2)	9090	(22.3)
70–79	2,254	(5.5)	2,012	(4.9)	4,266	(10.4)
80-	260	(0.6)	177	(0.4)	437	(1.0)
Total	17,807	(43.5)	23,014	(56.5)	40,821	(100)

Values are presented as mean ± SD or (%).