The deficiency/marginal deficiency group had significantly higher mean Hs CRP measurements, proportion using antihypertensive medication, and a history of heart disease, and significantly lower HbA1c, T‐Cho, LDL‐C, TG, TP, Alb, and eGFR measurements, and proportion of non–daily drinkers. The gene discussed is CRP; the disease is hyperinsulinemic hypoglycemia, familial, 4.