Table 2

Distribution of NAT1 alleles by cases and controls among postmenopausal Iowa women

NAT1 alleleCasesControls
*3 5 (1.6)a20 (3.0)
*4 223 (72.4)487 (74.2)
*10 58 (18.8)114 (17.4)
*11 11 (3.6)8 (1.2)
*14 4 (1.3)13 (2.0)
*15 1 (0.3)2 (0.3)
*17 3 (1.0)7 (1.1)
*22 3 (1.0)5 (0.8)
Totalb308 (100)656 (100)
  • a Number of NAT1 alleles identified; values in parentheses represent percentages.

  • b χ2 = 8.56; degrees of freedom = 7; P = 0.29.