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Abstract Introduction The various clinical manifestations of Obstructive Sleep Apnoea (OSA) have not been officially depicted in clinical practise. The lack of clinical knowledge on the heterogeneity of OSA may present fundamental difficulties in its clinical recognition, resulting in missed conclusions for diagnosis. OSA symptoms frequently include higher airway narrowing, excessive sleepiness, sleep disturbances, and general fatigue. It is well known that the aetiology, symptoms, and consequences of OSA vary between patients. Methods Retrospective chart review of all patients who were evaluated at SMRC from 2017 to 2022. Data about patients' demographics, chief complaint (Excessive day time sleepiness (EDS), Insomnia, Co- morbidities with no symptoms), chronic diseases, STOP-Bang risk, CPAP adherence and values of ESS, RLS, ODI and AHI. The CPAP adherence was defined as using CPAP 4 hours per day at least for 5 nights per week or ≥ 70% of all recorded days. Results shows that participants whose chief complaint was EDS had a significant higher mean BMI, higher ESS value and a significant higher percent of having a high-risk STOP-Bang (p= 0.05). Participants whose chief complaint was insomnia had a significant older age (p= 0.05). While those patients had a significant lower BMI, lower ESS and lower ODI levels (p= 0.05). Participants whose chief complaint was referral from other services due to co- morbidities with no symptoms had a significant younger age and a significant lower value of ESS (p= 0.05). participants with poor CPAP adherence had a significant older age, higher BMI, and higher ESS (p= 0.05). Conclusion Different OSA phenotypes have different characteristics . Clustering OSA patients may lead to more individualized therapy with better compliance. Support (if any)
Wali et al. (Sat,) studied this question.