G6PD and G6PD deficiency: The presence of SCT appeared to be inversely associated with G6PD trait in males; 22.1% (97/439) of male infants without SCT had G6PD deficiency, while 16.7% (35/209) of SCT males were G6PD deficient, however, these estimates did not reach statistical significance (p = 0.1) (Table 3).