BMI, or Body Mass Index, is the most common way to classify an individual’s degree of obesity and can be used to determine if you're a good candidate for gastric lap band weight loss surgery. Your BMI correlates with your risk for severe health problems, and even risk of death.
< 18.5 = Underweight
18.5 - 24.9 = Normal
25.0 - 29.9 = Overweight
30.0 - 34.9 = Obesity (Class I)
35.0 - 39.9 = Obesity (Class II)
40.0+ = Extreme Obesity (Class III)
Here's the actual formula used to calculate your BMI:
BMI = (weight in pounds x 703) / (height in inches)²
According to NIH Guidelines (National Institute of Health), you're a good candidate for bariatric surgery if:
- Your BMI is 40 or higher
- Your BMI is 35-39.9 and you have have one or more weight related health conditions (called "comorbidities") such as diabetes, hypertension, sleep apnea, reflux, heart disease, stroke, respiratory problems, osteoarthritis, joint problems, etc.
- You're at least 100 pounds over your estimated ideal weight
However, simply because you meet the technical weight criteria for gastric banding doesn't mean you're a good candidate for weight loss surgery. More about gastric lap-band criteria
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