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Percent change in bone mineral density from baseline to 12 months post-total gastrectomy by baseline patient weight class. Number of patients varied in each weight class: patients with normal BMI (18.5-24.9 kg/m2) n = 17, overweight BMI (25-29.9 kg/m2) n = 22, obesity class I (30-34.9 kg/m2) n = 17, obesity class II (35-39.9 kg/m2), n = 11 and obesity class III (≥40 kg/m2) n = 6. BMD values are calculated as mean ± SE. Abbreviations: BMD, bone mineral density. BMI, body mass index.
