G6PD and G6PD deficiency: Of all 28 patients with G6PD deficiency, 18 patients carried G6PD MahidolG487A (17 hemizygous deficient males, 1 homozygous deficient female), 3 patients carried G6PD ViangchanG871A (3 hemizygous deficient males), 1 patient carried G6PD KaipingG1388A (1 hemizygous deficient male) and 1 patient carried G6PD AuresT143C (1 hemizygous deficient male) (Table 1).