Characteristics of patients with postoperative cure at first surgery (group 1) and of persistent cases (group 2) (PTH, parathyroid hormone; Ca, calcium; Mg, magnesium; P, phosphorus, 25(OH)vitD3: 25-hydroxyvitamin D3; ALP, alkaline phosphatase) (in accordance with endocrine society clinical practice guideline; 25-OH Vitamin D (Vit D3) insufficiency was defined as the values between 21 and 29 ng/ml (525–725 nmol/liter) and the deficiency was defined as the value of <20 ng/ml (50 nmol/liter) in this study (21). This evidence concerns the gene PTH and hyperinsulinemic hypoglycemia, familial, 4.