Table 3

CGM analysis using automatic Dexcom Studio

Glucose (mmol/L)Postbariatric hypoglycemia
% of total (n=10)
Controls
% of total (n=9)
P value*
Daytime (06:00–22:00)
Normal (3.9–8.9)77.6 (±9.9)83.1 (±11.6)n.s.†
High (9.0–22.3)9.7 (±9.3)2.6 (±3.0)<0.05
Low (2.2–3.8)12.7 (±5.9)14.3 (±12.5)n.s.
Night-time (22:00–06:00)
Normal (3.9–8.9)66.9 (±9.2)80.7 (±16.0)<0.05
High (9.0–22.3)4.3 (±6.3)1.1 (±2.0)n.s.
Low (2.2–3.8)28.8 (±11.2)18.2 (±16.3)n.s.
24-hour total
Normal low (3.9–5.5)47.0 (±9.9)57.6 (±9.8)<0.05
Normal high (5.6–8.9)27.8 (±7.0)25.4 (±9.5)n.s.
High (9.0–22.3)6.0 (±6.2)3.3 (±3.9)n.s.
Low (3.2–3.8)13.4 (±4.4)11.7 (±10.9)n.s.
Very low (2.2–3.1)5.9 (±4.2)1.8 (±2.3)<0.05
Counting frequency
Hypoglycemic events (<3.9)28.7 (±8.8)14.5 (±9.0)p=0.7
Hyperglycemic events (>8.9)16.6 (±11.0)8.1 (±8.6)<0.01
  • Mean (±SD) are presented. P value comparing the postbariatric hypoglycemia group with the control group; p≤0.05 is considered statistically significant.

  • *t-Test.

  • †Not significant.

  • CGM, continuous glucose monitoring; PBH, postbariatric hypoglycemia.