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Table 1 Distribution of selected characteristics in the study subjects

From: Association between H-RAST81C genetic polymorphism and gastrointestinal cancer risk: A population based case-control study in China

  Cases
No.(%)
Controls
No.(%)
  Gastrointestinal cancer Gastric cancer Colon cancer Rectal cancer  
No. of subjects 296 90 93 103 448
Gender      
   Male 169(57.09) 64(71.11) 48(51.61) 57(50.44) 223(49.78)
   Female 127(42.91) 26(28. 89) 45(48.39) 56(49.56) 225(50.22)
Age      
   Mean ± SD 61.76 ± 9.92 64.68 ± 9.01 61.59 ± 8.87 59.57 ± 10.89 60.67 ± 10.92
Smoking      
   No 156(52.70) 33(36.67) 53(56.99) 70(61.95) 269(60.04)
   Yes 140(47.30) 57(63.33) 40(43.01) 43(38.05) 179(39.96)
Drinking      
   No 202(68.24) 56(62.22) 65(69.89) 81(71.68) 322(71.88)
   Yes 94(31.76) 34(37.78) 28(30.11) 32(28.32) 126(28.13)
Family history      
   No 212(71.62) 68(75.56) 68(73.12) 76(67.26) 338(75.45)
   Yes 84(28.38) 22(24.44) 25(26.88) 37(32.74) 110(24.55)
H-RAS T81C      
   TT 204(68.92) 48(53.33) 71(76.34) 85(75.22) 355(79.24)
   TC 88(29.73) 40(44.44) 20(21.51) 28(24.78) 89(19.87)
   CC 4(1.35) 2(2.22) 2(2.15) 0(0.00) 4(0.89)
Allele frequencies      
   T 496(83.78) 136(75.56) 162(87.10) 198(87.61) 799(89.17)
   C 96(16.22) 44(24.44) 24(12.90) 28(12.39) 97(10.83)