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Table 6 Logistic regression analysis to test if sex ratio among patients (0 = male patients, 1 = female patients) can be modeled by rs1128503 genotype, histological grade, tumor localization, and age of diagnosis

From: Colorectal cancer susceptibility: apparent gender-related modulation by ABCB1 gene polymorphisms

Independent variable Ba s.e.b Waldc d.f.d Pvalue OR (95% C.I.)
rs1128503    9.52 2.00 0.01  
CT vs CC -2.22 0.72 9.51 1.00 0.00 0.11 (0.03-0.45)
TT vs CC -1.45 0.67 4.67 1.00 0.03 0.24 (0.06-0.87)
Grade    5.27 2.00 0.07  
G2 vs G1 -1.91 1.23 2.42 1.00 0.12 0.15 (0.01-1.65)
G3 vs G1 -1.33 0.61 4.75 1.00 0.03 0.26 (0.08-0.87)
Localization    1.18 2.00 0.55  
sigma vs colon 0.61 0.61 1.02 1.00 0.31 1.85 (0.56-6.08)
rectum vs colon 0.68 0.75 0.83 1.00 0.36 1.98 (0.46-8.57)
Age -0.01 0.02 0.23 1.00 0.63  
Constant 2.54 1.63 2.43 1.00 0.12  
Model χ 2 = 16.86 d.f. = 7 P = 0.018  
  1. aregression coefficient.
  2. bstandard error.
  3. cWald test.
  4. ddegrees of freedom.