Table 3.
Characteristic of participants; subgroup-analysis of older old adults (age ≥ 75 years) N = 585
| Women (n = 387) | Men (n = 198) | |||||
|---|---|---|---|---|---|---|
| Variables | Normal muscle mass |
Low muscle mass |
P | Normal muscle mass |
Low muscle mass |
P |
| n (%) | 147 (38) | 240 (62) | 121 (61) | 77 (39) | ||
| Age (Years) | 78.1 ± 2.6 | 78.9 ± 3.1 | < 0.001 | 78.4 ± 3.0 | 79.9 ± 3.9 | 0.003 |
| ASM/height2 (kg/m2) | 6.2 ± 0.4 | 5.1 ± 0.4 | < 0.001 | 7.5 ± 0.4 | 6.2 ± 0.6 | < 0.001 |
| HGS (kg) | 19.4 ± 3.4 | 17.0 ± 3.4 | < 0.001 | 28.6 ± 5.1 | 24.3 ± 4.7 | < 0.001 |
| Gait speed (m/s) | 1.3 ± 0.3 | 1.2 ± 0.3 | 0.696 | 1.4 ± 0.3 | 1.3 ± 0.3 | 0.022 |
| Weight (kg) | 60.8 ± 7.0 | 49.8 ± 6.1 | < 0.001 | 68.2 ± 6.7 | 56.9 ± 8.1 | < 0.001 |
| Height (m) | 152.9 ± 5.1 | 150.8 ± 4.8 | < 0.001 | 165.8 ± 5.4 | 161.8 ± 4.6 | < 0.001 |
| Waist (cm) | 87.1 ± 9.2 | 79.1 ± 8.3 | < 0.001 | 90.4 ± 7.6 | 84.3 ± 8.6 | < 0.001 |
| BMI (kg/m2) | 26.0 ± 3.2 | 21.9 ± 2.7 | < 0.001 | 24.8 ± 2.3 | 21.7 ± 2.6 | < 0.001 |
| Midarm circumference (cm) | 27.9 ± 2.9 | 24.7 ± 3.0 | < 0.001 | 27.4 ± 2.4 | 24.7 ± 2.6 | < 0.001 |
| Calf circumference (cm) | 35.3 ± 2.7 | 0.1 31.9 ± 2.7 | < 0.001 | 36.2 ± 2.1 | 32.4 ± 2.1 | < 0.001 |
Values were expressed as mean ± standard deviation or n (%)
ASMI, appendicular skeletal muscle mass index; HGS, Handgrip strength BMI, body mass index