Article “Bariatric surgery versus conservative management for morbidly obese patients in Spain: a cost-effectiveness analysis” published in the “Expert Review of Pharmacoeconomics & Outcomes Research” provides insights about economic outcomes of bariatric surgery in Spain using Markov modeling. Over the 10-year horizon, bariatric surgery led to a cost increment of €9,386 and 1.6 additional QALY (€5,966/QALY) compared with optimal medical management. Over lifetime horizon, surgery led to 0.6 life years and 4.4 QALY gains and €300/patient average cost savings.