Average values of total body iron stores (TBIS) and serum ferritin (SF) of HH male patients according to the associated SNP microhaplotypes (A-A-T homozygous or non- A-A-T homozygous).

TBIS and SF are presented as geometric mean and 95% Confidence Interval for Mean [Lower Bound - Upper Bound]; the numbers of patients in each group (n) are indicated in each case. *(P) Statistical significant differences using the Student´s T- test (with log transformed values, see methods).