Özet:

Body Mass Index (BMI) and osteoporosis are two major medical issues in practical life. Body Mass Index is recognized as an index to determine body fat mass while osteoporosis is a condition that decreases bone mass density and disrupts bone architecture, which will eventually affect bone strength and increase the risk of fracture. This study aimed to determine the relationship between BMI and osteoporosis using REMS. This was a cross-sectional study on 300 patients, 21 years of age and above, who underwent Radiofrequency Echographic Multi-Spectrometry (REMS) scan during October 2018 to September 2019 in Royal Prima Hospital, Medan, North Sumatra, Indonesia. Osteoporosis was defined based on densitometer parameters for spine and neck of femur while the BMI categories used were underweight (< 18.5 kg/m2), normal-weight (18.5-22.9 kg/m2), overweight (23-24.9 kg/m2), pre-obese (25-29.9 kg/m2), obese type 1 (BMI 30-40 kg/m2), and obese type 2 (40.1-50 kg/m2). Correlation between osteoporosis and BMI was analyzed using Spearman correlation test. The median BMIs for Spine osteoporosis and Neck of Femur osteoporosis groups were 23.24 and 22.51, respectively. Meanwhile, the central tendency of the bone mass density (gr/cm2) of the spine and neck of femur osteoporosis were 0.70 and 0.53, respectively. There was a significant correlation between BMI and the incidence of the neck of femur (R coefficient = -0.690) and spine (R = -0.390) osteoporosis. Hence, lower BMI increases the potential of the neck of femur and spine osteoporosis.

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