Linear correlation analysis showed that the IC50 of the drugs to block the KIR6.2-SUR1 is significantly correlated with the P.R.R. of hypoglycaemia and not with the IC50 to block the KIR6.2-SUR2A or KIR6.1-SUR2B channels. The gene discussed is KCNJ8; the disease is Hypoglycemia.