Reproducibility of plasma glucose responses to moderate‐intensity exercise in individuals with type 1 diabetes
Authors' conclusion
Within-person plasma glucose responses to moderate-intensity exercise may be reproducible under fasting and basal insulin conditions and similar pre-exercise plasma glucose levels. This finding may assist the design of future studies investigating both the reproducibility of glycaemic responses to exercise and blood glucose management for individuals with type 1 diabetes.
Study context
- Population
- Young individuals with T1D; moderate-intensity morning exercise after overnight fasting under basal insulin conditions
- Participants
- 8 individuals
- Outcome
- Within-person SD (SDw) in plasma glucose response, using the two visits per participant most closely matched by pre-exercise plasma glucose
- Follow-up
- During and 1 h after exercise
Methodological detailsrepeated-measures, three separate exercise days, 40 min moderate-intensity exercise at 60% V̇O2 peak on three separate days
- Repeated-measures
- Three separate exercise days
- 40 min moderate-intensity exercise at 60% V̇O2 peak on three separate days
Main finding
As reported in the abstract
Within-person variability (SDw) of plasma glucose change
- SDw of plasma glucose change during exercise
- 0.5 mmol (95% CI 0.2, 0.8)
- SDw of plasma glucose change during recovery
- 0.8 mmoL/L (95% CI 0.4, 1.3)
- Mean (±SD) change in plasma glucose during exercise
- −1.8 ± 1.1 mmoL/L
- Mean (±SD) change in plasma glucose during recovery
- −0.6 ± 1.0 mmoL/L
- Median intra-individual difference in plasma glucose change during exercise [IQR 0.1, 0.7]
- 0.3 mmoL/L
- Median intra-individual difference in plasma glucose change during recovery [IQR 0.4, 1.0]
- 0.8 mmoL/L
Original publication
Reproducibility of plasma glucose responses to moderate‐intensity exercise in individuals with type 1 diabetes. Diabet Med. Published 16 November 2022. doi:10.
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