Table 1.
Characteristics of participants.
| Variable | Sarcopenia | Non-sarcopenia | p value |
|---|---|---|---|
| Number | 35 | 35 | - |
| Gender, M : F (% men) | 21 : 14 (60.0) | 22 : 13 (62.9) | 0.806 |
| Age, year | 75.1 ± 5.16 | 70.8 ± 5.50 | 0.001∗∗ |
| BMI (kg/m2) | 22.73 ± 2.21 | 23.81 ± 1.82 | 0.028∗ |
| Smoking status | 0.762 | ||
| Never smoker | 14 (40%) | 16 (45.7%) | |
| Current smoker | 15 (42.9%) | 12 (34.3%) | |
| Ex-smoker | 6 (17.1%) | 7 (20%) | |
| Current comorbidities | |||
| Diabetes | 10 (28.6%) | 8 (22.9%) | 0.584 |
| COPD | 17 (48.6%) | 15 (42.9%) | 0.631 |
| ASMI | |||
| Mean | 5.64 ± 0.81 | 6.71 ± 0.73 | <0.001∗∗∗ |
| Men | 6.11 ± 0.53 | 7.25 ± 0.20 | <0.001∗∗∗ |
| Women | 4.95 ± 0.65 | 5.80 ± 0.88 | <0.001∗∗∗ |
| Handgrip strength (kg) | |||
| Mean | 21.04 ± 3.88 | 23.51 ± 5.23 | 0.028∗ |
| Men | 22.92 ± 3.25 | 24.83 ± 5.47 | 0.172 |
| Women | 18.21 ± 2.97 | 21.29 ± 4.08 | 0.033∗ |
| Gait speed (m/s) | 0.96 ± 0.13 | 1.15 ± 0.17 | <0.001∗∗∗ |
| SARC-F | 6 (5–7) | 2 (1–2) | <0.001∗∗∗ |
| Skinfold thickness (mm) | |||
| Biceps | 12 (5–20) | 14 (6–28) | 0.107 |
| Subscapular | 11 (5–22) | 14 (5–26) | 0.090 |
| Muscle thickness (cm) | |||
| Biceps | 1.75 ± 0.17 | 1.91 ± 0.35 | 0.019∗ |
| Quadriceps | 2.09 ± 0.29 | 2.30 ± 0.31 | 0.004∗∗ |
| Albumin (g/L) | 38.3 ± 2.79 | 39.5 ± 1.76 | 0.034∗ |
BMI: body mass index; COPD: chronic obstructive pulmonary disease; ASMI: appendicular skeletal muscle index. ∗P < 0.05; ∗∗P < 0.01; ∗∗∗P < 0.001.