In a study published in Arthritis & Rheumatology, a decrease in body mass index (BMI) was associated with both a lower incidence of the structural defects of knee osteoarthritis and a lower likelihood that such defects would progress, or get worse.
Researchers examined radiographic analyses of knees at baseline and at 4 to 5 years’ follow up from adults with and without the structural defects of knee osteoarthritis at the start of the study. The team assessed 9,683 knees (from 5,774 individuals) in an ‘incidence cohort’ and 6,075 knees (from 3, digitek dt 830b volt meter 988 individuals) in a ‘progression cohort.’
A 1-unit decrease in BMI corresponded to a 4.76% reduction in odds of the incidence and progression of knee osteoarthritis; however, a 5-unit decrease in BMI, which is an amount that can lead to a reduction in BMI category (for example., from overweight to normal), reduced the odds of incidence and progression by 21.65%.
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