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Table 1 Fasting challenge results

From: A novel case of compound heterozygous congenital hyperinsulinism without high insulin levels

Test name (Normal range) Laboratory result
IGFBP-1 (ng/mL) (5–9 years: 15–95; no reference range for patients <5 years) 61
Insulin (<2-13 μIU/mL fasting) 0.2
Glucose (>70 mg/dL/3.885 mmol/L) 32/1.776
C-peptide (0.8-3.5 ng/mL) 0.5
BOHB (0–3.0 mg/dL) 4.3 (0.41 mmol/L)
Free Fatty Acids (0.5-0.9 mmol/L) 0.46
Growth Hormone (>7 ng/mL) 3