Changes in glucose (A) and insulin (B) serum GLP-1 (C), GIP (D), glucagon (E), peptide YY (F), and OXM (G) following a MMT in patients with symptomatic PPH. Patients classified as either MMT Hypo (n = 7) or MMT Non-Hypo (n = 11), depending if their nadir glucose was <3 mmol/L. Data is shown as mean ± s.e.m. Statistically significant differences are shown as **P < 0.01, ***P < 0.0001.