Clinical Predictors of Obstructive Sleep Apnea in Patients With BMI Greater Than or Equal to 35

PURPOSE: Obesity is a major risk factor for obstructive sleep apnea (OSA), but not all patients with obesity have OSA. Percentage predicted neck circumference (PPNC) is a useful clinical predictor of OSA but has not been studied specifically in obese patients with BMI ≥ 35. Our purpose is to evaluate if PPNC and other practical clinical predictors of OSA in this cohort (Obesity class II & III) may help stratify patients before referral for...