Table 2: Summary of Findings on Excess Weight Loss and Resolution of Comorbid Conditions From Previous Health Technology Assessments.

Procedure		Excess Weight Loss,* Range (%)	Resolution† of Comorbid Conditions, Range (%)
Malabsorptive
	Roux-en-Y gastric bypass	60–90	Diabetes: 74–99
			Hypertension: 67–93
			Dyslipidemias: 73–-99
Restrictive
	Adjustable gastric banding	42–60	Diabetes: 29–92
			Hypertension: 29–40
			Dyslipidemia: 24
	Vertical banded gastroplasty	58–87	Diabetes: 100
			Hypertension: 50–60
			Dyslipidemias: 14–72

^*Percentage of excess weight loss = (weight loss/excess weight) × 100

(where excess weight = total preoperative weight – ideal weight).

^†Defined as the stopping of medication taken for comorbid condition.