Table 2

Levels of urinary PhIPa plus MeIQxa among study subjectsb

PhIP plus MeIQxAfrican-AmericanAsian-AmericanWhiteTotal
NDc5 (11)d8 (19)21 (50)34
ND < Ra ≤ 4.013 (29)11 (27)12 (28)36
4.0 < R ≤ 10.012 (27)9 (22)7 (17)28
10.0 ≤ R15 (33)13 (32)2 (5)30
Total454142128
Geometric mean level7.77.12.65.4
  • a Expressed as ng/g creatinine.

  • b χ2 (6 df) = 26.0, P = 0.001.

  • c ND, not detectable.

  • d Table entries are number of subjects with percentages in parentheses.