G6PD and hyperinsulinemic hypoglycemia, familial, 4: In Chaozhou of eastern Guangdong province, among 882 neonates with hyperbilirubinemia, 74 cases (8.39%) were G6PD-deficient (11), and in Fujian province, the prevalence of G6PD deficiency among neonates with hyperbilirubinemia was 7% (12).