“…Third, patients who opt for RYGB may be drawn from a different population than those opting for SG. Indeed, on average RYGB patients have a higher BMI and more comorbidities ( Nasser et al, 2020 ). This difference was also seen in our sample (summed over presence of diabetes, hypertension, hyperlipidemia, GERD, sleep apnea, χ 2 (1, N = 47) = 9.6, p = 0.002), although baseline BMI did not differ between SG and RYGB participants.…”