Best answer: Is BMI accurate for elderly?

You can’t tell between fat, muscle or fluid mass so using BMI may not be accurate. For the elderly, muscle mass is much lower in comparison to fat mass, and many have medical conditions that can increase fluid mass as well.

What is a normal BMI for an elderly person?

BMI guidelines are different for older adults. Overall health is more important than BMI. Usual body weight is the best way to “assess” weight in the elderly.

BMI in Adults vs. BMI in Older Adults.

Category BMI Range for Adults BMI Range for Older Adults
Normal 18.5 – 24.9 23-30
Overweight 25 – 29.9 >31
Obese 30+

What is a good BMI for 70 year old?

A body mass index of 18.5-24.9 is considered normal, a BMI of 25 to 29.9 is considered overweight, and a BMI of 30 or more is considered obese. Based on BMI scores, a 5-foot, 7-inch adult would be considered: Underweight at less than 118 pounds (BMI <18.5), Normal weight at 118 to 159 pounds (BMI = 18.5-24.9)

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Does BMI overestimate body fat in elderly?

Conclusions. Traditional measures poorly identify obesity in the elderly. In older adults, BMI may be a suboptimal marker for adiposity.

For adults ages 20 years and older, BMI incorporates weight and height, but it does not take age or sex into account. A woman tends to have more body fat than a man with the same BMI. Likewise, an older person tends to have more body fat than a younger person with an equal BMI.

Why is BMI not accurate for elderly?

You can’t tell between fat, muscle or fluid mass so using BMI may not be accurate. For the elderly, muscle mass is much lower in comparison to fat mass, and many have medical conditions that can increase fluid mass as well.

Should you weigh more as you get older?

As we get older, we gain an average of one to two pounds per year. [1] This may not seem like a lot, but over time, it can accumulate and lead to weight gain or even obesity. Here are four major reasons why age plays a role in weight management and what to do about it: Muscle loss and decreased lipid turnover.

WHO BMI for elderly?

In older adults it is often better to have a BMI between 25 and 27, rather than under 25. If you are older than 65, for example, a slightly higher BMI may help protect you from thinning of the bones (osteoporosis).

Information.

BMI CATEGORY
25.0 to 29.9 Overweight
30.0 to 39.9 Obese
Over 40 Extreme or high risk obesity
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Can I lose weight at 70?

Losing weight after turning 70 is a lot like losing weight after turning 30 or 40 or 50: It’s often way harder than you think it is going to be. But it is also very doable, and if your health depends on it, it’s very worth it.

What is a good weight for a 75 year old woman?

The average American woman 20 years old and up weighs 170.6 pounds and stands at 63.7 inches (almost 5 feet, 4 inches) tall.

What’s the Average Weight for Women?

Age group (years) Percent considered overweight or obese Percent considered obese
45-54 69.5 42.9
55-64 74.5 48.2
65-74 75.6 43.5
75 and up 67.4 32.7

Why we should not use BMI?

BMI is a reasonable indicator of body fat for both adults and children. Because BMI does not measure body fat directly, it should not be used as a diagnostic tool. Instead, BMI should be used as a measure to track weight status in populations and as a screening tool to identify potential weight problems in individuals.

Why do doctors still use BMI?

Body mass index, or BMI, has been used for over 100 years to help health professionals decide whether a patient is overweight or underweight. It is used in population studies, by doctors, personal trainers, and others.

What happens if your BMI is too low?

Weighing too little can contribute to a weakened immune system, fragile bones and feeling tired. You can check if you’re underweight by using our BMI healthy weight calculator, which shows your body mass index (BMI). If your BMI is below 18.5, this suggests that your weight may be too low.

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What is a good BMI for a 60 year old woman?

The World Health Organization (WHO) defines a healthy body weight range for adults as a BMI between 18.5 and 24.9.

What is a good BMI for a woman over 50?

Doctors consider a healthy BMI for women to be 18.5–24.9. A BMI of 30 or above may indicate obesity. BMI measurements can help someone understand whether they have underweight or overweight. However, BMI for women has some limitations, as it does not measure body fat specifically.

What are the disadvantages of BMI?

Since muscle weighs more than fat, BMI isn’t accurate in patients with extreme amounts of muscle. And this can cause unnecessary concern or a faulty sense of security for many adults. For example, a fit person with dense muscle could be categorized as overweight based on BMI.

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