Introduction and Objective: While many individuals with Type 1 Diabetes (T1D) are typically exempt from fasting for health reasons. In this context, the Glycemia Risk Index (GRI) is a valuable tool for assessing glycemic quality. This study investigates the effects of Ramadan fasting on glycemic control in T1D, focusing on GRI and its components for hypoglycemia (CHypo) and hyperglycemia (CHyper).Methods: An ambispective study involved 186 individuals with T1D using Flash Glucose Monitoring (FGM). Data were retrospectively collected for one month prior to Ramadan and prospectively during and one month after Ramadan. Clinical, metabolic, and glycemic data were collected, with GRI calculated alongside its components.Results: GRI significantly improved, decreasing from 56.4 to 25.6 during Ramadan and returning to 53 one month later (all P <.001). CHypo scores fell from 6 before fasting to 2.4 during Ramadan, then increased to 8 post-Ramadan (all P <.001). Similarly, CHyper scores decreased from a median of 21 to 12.5 during Ramadan and rose to 18.5 afterward (all P <.001). Glycemic variability decreased from 38.2% to 30.1% during Ramadan but returned close to pre-Ramadan levels afterward.Conclusion: Ramadan fasting significantly improved GRI and its components while reducing GV in individuals with Type T1D.
M. Aldawish: None.
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