Factors Affecting Reproducibility of Change in Glucose During Exercise: Results From the Type 1 Diabetes and EXercise Initiative
Authors' conclusion
Reproducibility of change in glucose during exercise was low in this cohort of adults with T1D, but more consistency in pre-exercise glucose levels, IOB, and carbohydrates may increase this reproducibility. Mean glucose variability in the 24 hours after exercise is influenced more by the participant's overall glycemic control than other modifiable factors.
Study context
- Population
- Adults with T1D performing structured exercise sessions ≈30 minutes in lengthanalysed
- Participants
- 476 adults
- Primary endpoint
- Within-participant reproducibility of glycemic response (change in glucose) during exercise
Primary result
As reported in the abstract
Change in glucose during exercise reproducible within 15 mg/dL of participant's other sessions
Proportion of time change in glucose during exercise was reproducible within 15 mg/dL
32%
Further findings
Variability of 24-hour post-exercise mean glucose
- Lower mean glucose on sedentary days associated with less variable post-exercise mean glucose
- P < 0.001
- Lower glucose coefficient of variation (CV) on sedentary days associated with less variable post-exercise mean glucose
- P < 0.001
- Lower % time <70 mg/dL on sedentary days associated with less variable post-exercise mean glucose
- P = 0.005
Original publication
Factors Affecting Reproducibility of Change in Glucose During Exercise: Results From the Type 1 Diabetes and EXercise Initiative. J Diabetes Sci Technol. Published 8 March 2024. doi:10.
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