Observational Study
Copyright ©The Author(s) 2015.
World J Gastroenterol. Feb 28, 2015; 21(8): 2460-2466
Published online Feb 28, 2015. doi: 10.3748/wjg.v21.i8.2460
Table 2 Characteristics of the screening groups n (%)
EndoscopyRegular radiographyPhotofluorography
Age group
40-49 yr229 (1.40)216 (1.19)1836 (11.53)
50-59 yr2033 (12.42)2087 (11.45)3521 (22.11)
60-69 yr7880 (48.13)8568 (47.02)5830 (36.60)
70-79 yr6231 (38.06)7350 (40.34)4740 (29.76)
Sex
Men6476 (39.55)7019 (38.52)5188 (32.57)
Women9897 (60.45)11202 (61.48)10739 (67.43)