Percentage by which body composition parameters (A-H) in each age group and sex differed from those in age group 65–69 years.

<p><b>A</b> = weight, <b>B</b> = body mass index (BMI): weight (kg)/height (m)², <b>C</b> = fat mass (FM), <b>D</b> = fat mass index (FMI): FM (kg)/ height (m)², <b>E</b> = fat-free mass (FFM), <b>F</b> = fat-free mass index (FFMI): FFM (kg)/ height (m)², <b>G</b> = appendicular lean soft tissue mass (ALM), and <b>H</b> = skeletal muscle mass index (SMI): ALM (kg)/ height (m)².