Table 15: Summary of Findings on Sleep Apnea Resolution After Vertical Banded Gastroplasty.

Study (Year)	Sleep Apnea Definition	Follow-up, Months	Patients With Comorbidity at Baseline, N	Resolved, % (n)	Improved, % (n)	No Change, % (n)	Worse, % (n)
Melissas (2001)	Evaluated by symptoms and laboratory tests. It was considered resolved when patients were asymptomatic.	24–48	12	50 (6)	50 (6/)	0 (0)	0 (0)

(Table reproduced with kind permission from ECRI. Bariatric Surgery for Obesity. 2004. Plymouth Meeting, PA, ECRI. Technology Assessment Report.)