Table 1. Baseline demographics of the study population.
female | male | |||
---|---|---|---|---|
n | 56 | 52 | ||
Age (years) | 78 (73.5, 84.5) | 0.08 | 77 (74, 81) | 0.07 |
Weight (kg) | 62.8 (57.4, 71.0) | 0.17 | 81.3 (75.1, 90.35) | 0.15 |
Height (cm) | 157 ± 6 | 0.04 | 171 ± 6 | 0.04 |
BMI (kg/m2) | 26.1 (22.9, 28.8) | 0.14 | 27.8 (25.5, 30.6) | 0.13 |
SARC-F | 4 (3, 5) | 0.34 | 3.5 (3, 4) | 0.34 |
Total body muscle mass (kg/m2) | 5.78 (5.33, 6.03) | 0.09 | 7.34 (6.96, 7.70) | 0.08 |
Arm fat mass (kg) | 3.20 (2.58, 3.73) | 0.32 | 2.66 (2.06, 3.27) | 0.37 |
Arm muscle mass (kg) | 3.42 (2.95, 3.81) | 0.18 | 6.04 (5.19, 6.53) | 0.15 |
Leg fat mass (kg) | 9.24 (7.36, 11.81) | 0.32 | 7.08 (5.85, 8.71) | 0.44 |
Leg muscle mass (kg) | 10.9 ± 1.64 | 0.15 | 16.2 ± 2.33 | 0.14 |
SPPB | 7 (6, 9) | 0.36 | 8 (6, 9) | 0.29 |
Grip strength (kg) | 13.65 ± 3.40 | 0.24 | 24.01 ± 5.34 | 0.22 |
QMVC (kg) | 10.5 (7.6, 14.4) | 0.44 | 15.9 (12.6, 21.4) | 0.42 |
BMI: body mass index, cv: coefficient of variation, SARC-F: Strength, assistance with walking, rising from a chair, climbing stairs, and falls questionnaire score, SPPB: Short Physical Performance Battery score: QMVC: Quadriceps Maximal Voluntary contraction. For normally distributed data values are given as mean ± SD and for data that did not show a normal distribution are median (interquartile range).
Body composition measurements were not available for 1 male. QMVC measurements were not available for 1 female and 6 males.