Table 1 Hypoglycemic profiles on prolonged fasting

Plasma glucose

2.7 mmol/L

1.9 mmol/L

Serum insulin^a

< 10 pmol/L

< 10 pmol/L

Serum proinsulin^a

< 2.0 pmol/L

< 2.0 pmol/L

Serum c-peptide^a

< 94 pmol/L

< 94 pmol/L

Serum β-hydroxybutyrate^b

0.3 mmol/L

0.9 mmol/L

Sulphonylurea screen^a

Negative

Negative

Anti-insulin antibodies^a

Negative

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