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Table 4 % Loss of initial BMI in the short, medium and long term for the bariatric surgical procedures undertaken at the Manor Hospital Walsall between 1990 and 2004.

From: Outcome of gastroplasty and gastric bypass in a single centre in the UK

Procedure % Loss of initial BMI
  Vertical Band Gastroplasty Gastric Bypass
Short Term
(0-12 months)
28.44 24.85
Medium Term
(13-36 months)
24.13 28.4
Long term
(>36 months)
14.97 32.5