Prevalence and Predictors of Excessive Daytime Sleepiness in Obese Type 2 Diabetic Patients– A Tertiary Centre Experience

Aim: The objective of this study was to determine the prevalence and to evaluate factors associated with excessive daytime sleepiness as a symptom of sleep apnea syndrome (SAS) in type 2 diabetic patients. Material and Methods: The Berlin Sleep Apnea (BSA) questionnaire was administered to 242 consecutive patients with type 2 diabetes and a body mass index (BMI) ≥30kg/m 2 . High or low risk was considered pathologic. Results: Twenty-two percent of diabetic obese patients had excessive daytime sleepiness. Compared with patients without daytime sleepiness, the median HbA1c was increased with 1.3% (p<0.001) in sleepy patients. Waist circumference (odds ratio:1.04, 95% CI (1.01-1.07), BMI (odds ratio: 1.1, 95%CI (1.04-1.18) and HbA1c (odds ratio 1.29, 95%CI (1.07-1.56) were significantly related to the presence of excessive daytime sleepiness. Conclusion: Excessive daytime sleepiness as a symptoms of suspected SAS is highly prevalent in patients with type 2 diabetes and should be systematically screened for, especially among obese individuals with higher waist circumference, higher BMI and higher HbA1c values.