Obstructive sleep apnea (OSA) is a common disease and is associated with significant cardiovascular, cerebrovascular, and metabolic complications. Current evidences show inconclusive association between OSA and insulin resistance (IR). This study aims to examine possible correlation between OSA parameters and IR. A total of 62 patients underwent PSG within the study period, of which 16 patients were excluded due to abnormal fasting blood sugar. Information on patients medical illnesses, medications, and Epworth sleepiness scale (ESS) was obtained. Patients body mass index (BMI), neck...