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Table 3 Morbidity, surgical re-intervention and mortality rate of gastric bypass

From: Excess body mass index loss predicts metabolic syndrome remission after gastric bypass

Complication Number of patients %
Early major complications
Gastrojejunal anastomosis fístula 4 2.6
Gastrojejunal anastomosis leak 9 5.8
Hypovolemic shock 1 0.7
Small bowel perforation 1 0.7
Intra-abdominal abcess 3 1.9
Perforation of the abdominal esophagus 1 0.7
TOTAL   12.4
Late major complications
Anatomotic stenosis 2 1.3
Vitamin B1deficiency 1 0.7
TOTAL   2
Late minor complications
Anemia 54 35
Iron deficiency 23 15
Vitamin B12deficiency 52 33
Folate deficiency 12 7.8
Rate of surgical re-intervention 7 4.5
30 days mortality 1 0.7