Association Between Diabetes Technology Use and Glycemic Outcomes in Adults With Type 1 Diabetes Over a Decade
The objective of this study was to assess how the use of diabetes technology in adults with type 1 diabetes impacted the average clinic-measured HbA1c levels from 2014 to 2021. The study was conducted at a single center and involved analyzing the use of diabetes technology, specifically continuous glucose monitors (CGMs) and automated insulin delivery (AID) systems, in adults with type 1 diabetes. The results showed that over the 8-year period, there were 15,903 clinic visits involving 4,174 unique patients. There was a significant increase in the use of both CGMs and AID systems, leading to an overall rise in diabetes technology utilization from 26.9% in 2014 to 82.7% in 2021. This increase in technology use was associated with a decrease in the average clinic-measured HbA1c levels, from 7.7% to 7.5%, and an increase in the percentage of adults achieving an HbA1c level below 7.0%, from 32.3% to 41.7%. Furthermore, the difference in HbA1c levels between individuals who used diabetes technology and those who did not became more pronounced over time, increasing from 0.36% in 2014 to 0.93% in 2021. In conclusion, the adoption of diabetes technology, including CGMs and AID systems, among adults with type 1 diabetes was linked to reduced HbA1c levels and an increased number of individuals achieving HbA1c levels below 7.0%.