“…Currently, the WHO classification scheme for obesity, based on BMI, determines diagnostic and therapeutic management. However, BMI is confounded by ethnic differences (43 [EL 2, MNRCT]; 44 [EL 4, NE]) and body composition (44 [EL 4, NE]); (45 [EL 2, CSS], and future improved risk stratification strategies may incorporate other anthropometric measurements, such as waist circumference (46 [EL 3, SS]) or waist-to-hip ratio (43 [EL 2, MNRCT]), co-morbidity and functional status assessments (47 [EL 4 NE]), and body composition technologies (45 [EL 3, CSS]). Factors found to be associated with poor outcome include open procedures, male gender, older age, congestive heart failure, peripheral vascular disease, deep venous thrombosis, PE, obstructive sleep apnea, impaired functional status, and chronic kidney disease (48 [EL 2, PCS]; 49 [EL 3, SS]).…”