Table 1 Questionnaire survey about postoperative body weight, meal intake, and abdominal symptoms

1. Please describe your body weight at present

Kg

2. Please put a circle around the number below that fits your present postoperative whole amount of meal intake per day compared to your preoperative whole meal intake.

    1) 20%

    2) 40%

    3) 60%

    4) 80%

    5) 100%

    6) Other

%

3. Please put a circle around the number below that fits your description of abdominal symptoms often occurring especially after meals at present.

    1) Borborygmi

    2) Abdominal pain

    3) Diarrhea

    4) Nausea, or Vomiting

    5) Abdominal sensation of feeling full

    6) Abdominal discomfort

    7) Heart burn, or Reflux

    8) No symptoms