Brief Articles
Copyright ©2009 The WJG Press and Baishideng.
World J Gastroenterol. Apr 21, 2009; 15(15): 1854-1862
Published online Apr 21, 2009. doi: 10.3748/wjg.15.1854
Table 1 SIR of stomach cancer by selected characteristics, Valdivia, Chile, 1998-2002
CharacteristicCasesMales: 365
Females: 164
Male vs female
%SIR95% CI%SIR95% CIRRP-value
All5296940.836.7-45.23114.812.1-16.72.8< 0.001
Age (yr)
< 3580.80.50.0-1.23.00.90.1-1.80.60.45
35-44224.411.75.9-17.43.64.60.9-8.22.60.04
45-545511.244.630.9-58.28.415.47.3-23.42.9< 0.001
55-649421.4125.797.8-153.69.623.912.2-35.65.3< 0.001
65-7416432.1291.3238.6-344.028.7100.572.1-128.92.9< 0.001
75-848614.8448.7329.3-568.119.8214.3141.3-287.42.10.001
≥ 8510015.3501.4370.4-632.426.9292.2206.9-377.41.70.006
Ethnicity Mapuche891547.234.5-59.921.028.1a18.5-37.71.70.016
Hispanic/European4408540.035.5-44.579.012.7a10.5-15.03.1< 0.001
School years
≤ 84208143.3a38.1-48.592.016.2a13.3-19.12.7< 0.001
> 8771927.6a20.5-34.78.03.7a1.5-5.97.5< 0.001
Residence rural2204848.0a40.7-55.330.014.510.4-18.73.3< 0.001
Urban2975234.5a29.5-39.670.013.911.2-16.62.5< 0.001