Table 2

 Odds ratios, 95% (one sided) confidence intervals, and one sided p values for the presence of the 16189 variant in patients homozygous for the C282Y mutation and iron loading (group 1), compared with those with normal serum ferritin concentrations (groups 3 and 4) and the birth cohort controls (group 5)

GroupBritishTotal
Odds loaded (group 1) v unloaded (groups 3 and 4)1.85 (1.11–∞) p = 0.0252.05 (1.29–∞) p = 0.006
Odds loaded (group 1) v birth cohort (group 5)1.69 (1.07–∞] p = 0.0291.77 (1.26–∞) p = 0.003