In the analysis stratified by the POR genotypes, the number of CYP2C9 deficient alleles increased the odds of hypoglycaemia nearly 3‐fold (OR, 2.81; 95% CI, 1.30‐6.09; P = .009) in the POR*1/*1 genotype group, whereas there was no effect in the POR*28 variant carriers (Table 1). The gene discussed is CYP2C9; the disease is Hypoglycemia.