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Weekly Blood Glucose Management Summary
This week’s blood glucose management (August 23–29) was highly productive, marked by significant changes between the first and second halves of the week. While blood glucose levels generally ran high early on, we saw a wonderful improvement toward the weekend, proving that daily efforts yield visible results.
A particular highlight was the significant drop in average blood glucose levels on Friday and Saturday, which increased the time spent within the target range. On the other hand, we identified areas for potential improvement, such as the numbers from the first half of the week and the upward trend observed during specific times. Next week, I hope to enjoy the process positively, gradually extending the comfortable control achieved during the weekend to the earlier part of the week!
Weekly Trend Analysis
Let's look back at the overall trends for this week. The weekly average blood glucose level was 228 mg/dL, and the Time in Range (TIR), which indicates the percentage of time spent within the target range (70–180 mg/dL), was 26.8%. Additionally, the Coefficient of Variation (CV), which represents the degree of blood glucose variability, was 29.3%. Since this is below the recommended management target of 36%, sharp fluctuations themselves were relatively infrequent. Note that GMI (an estimated indicator for diabetes management) and comparison data with the previous week could not be confirmed from the current image.
Looking at the overall graph, it is clear at a glance that while a lot of time was spent in the red zone (hyperglycemia) during the first half of the week, there was a beautiful shift to the green zone (target range) starting Friday, August 28. I want to carry this positive momentum into the coming week.
Daily Summary Analysis
Looking at the daily changes, we can clearly see how daily routines affect blood glucose levels. The best day this week was Saturday (average 150 mg/dL), followed by Friday (average 168 mg/dL). Adjusting food choices for the weekend and engaging in physical activity for relaxation likely contributed to these excellent results.
On the other hand, the day with the highest variability and most prominent hyperglycemia was Wednesday (August 26), with a peak blood glucose level reaching 419 mg/dL and an average of 246 mg/dL. This may have been influenced by mid-week fatigue or off-schedule meals. Understanding these daily characteristics makes it easier to formulate realistic countermeasures.
AGP Analysis
Let's analyze the Ambulatory Glucose Profile (AGP), which overlays 24-hour glucose fluctuation patterns. Throughout the week, the line representing hypoglycemia risk (under 70 mg/dL, the 5th percentile) did not drop below the lower green boundary. This indicates safe management with extremely low concern for hypoglycemia this week. The range of variability (width of the shaded area) tended to widen slightly, particularly around midday and in the evening.
Looking at specific times of day, the median value (dark blue line) from nighttime to early morning (0:00–9:00) remained somewhat high at around 230–260 mg/dL. During the day, blood glucose levels dropped temporarily between 12:00 and 15:00, falling within the target range, but tended to rise again in the late afternoon (15:00–17:00) and at night after 21:00. Developing strategies aligned with these rising phases will be key moving forward.
Highlights of the Week
- Successfully lowering the average blood glucose levels to the 100s on the weekend (Friday and Saturday) and maintaining stable control.
- Preventing hypoglycemia (under 70 mg/dL) throughout the entire week, ensuring a safe experience.
- Keeping the Coefficient of Variation (CV) stable at 29.3%, which cleared the target threshold (36% or less).
- Objectively identifying personal "patterns" where blood glucose levels tend to rise, such as in the late afternoon and night.
Areas for Improvement Next Week
- Slightly adjusting dinner portions or carbohydrate ratios to help stabilize blood glucose levels from nighttime to early morning.
- Incorporating light stretching in the afternoon or rethinking snack choices to mitigate the rise during late afternoon (15:00–17:00).
- Gradually introducing the successful weekend meal and exercise strategies to the beginning of the week in order to lower average levels during the first half of the week (Sunday–Wednesday).
Summary
This week, the great efforts made over the weekend were clearly reflected in the numbers, providing a huge boost of confidence! By listening to my body through the graphs, I found many positive hints for the next steps. Rather than straining for perfection, I hope to gradually weave those "self-kind adjustments" made over the weekend into my daily routine. Let's take it one step at a time without rushing, and build healthy days while enjoying the journey!
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