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Copyright ©2008 The WJG Press and Baishideng.
World J Gastroenterol. Apr 14, 2008; 14(14): 2230-2234
Published online Apr 14, 2008. doi: 10.3748/wjg.14.2230
Table 1 Distribution of selected variables in esophagus cancer patients and control subjects n (%)
VariablesPatients (n = 194 )Control (n = 210 )P
Age (yr)> 0.05
< 401 (0.5)2 (0.9)
40-60117 (60.3)110 (52.4)
61-8076 (39.2)98 (46.7)
Sex> 0.05
Male150 (77.3)146 (69.5)
Female44 (22.7)64 (30.5)