Table 3

Association between the risk of colorectal adenoma and haplotypes of A171S and 169 C → T

A171S169 C → THaplotypeNo. of cases (%)No. of controls (%)Odds ratio (95% CI)a
AA CC AC/AC 313 (68.3)371 (73.6)1.00
AS CC AC/SC 100 (21.8)104 (20.6)1.17 (0.85–1.61)
SS CC SC/SC 15 (3.3)12 (2.4)1.50 (0.68–3.28)
P = 0.18b
AA CT AC/AT 30 (6.6)15 (3.0)2.42 (1.26–4.63)
SS CT SC/ST 0 (0)2 (0.4)NAc
  • a Odds ratio after the matching variables (age, gender, date of sigmoidoscopy, and Kaiser Center) and ethnicity were adjusted.

  • b Test for trend.

  • c NA, not applicable. Not estimated because of empty cell.