Table 2.
Comparison of demographic and basic clinical characteristics between the sarcopenia group and non-sarcopenia group
| Parameters | Sarcopenia group | Non-sarcopenia group | P |
|---|---|---|---|
| n = 420 | n = 2856 | ||
| Male/female | 258/162 | 2067/789 | 0.001 |
| Age | 77.71 ± 8.437 | 71.26 ± 7.529 | < 0.001 |
| BMI | 21.125 ± 2.313 | 24.855 ± 2.841 | < 0.001 |
| Smoking history | 13 (3.2%) | 327 (11.4%) | 0.002 |
| Drinking history | 13 (3.1%) | 232 (8.15) | 0.004 |
| Number of diseases ≥3 | 81 (19.3%) | 129 (4.5%) | < 0.001 |
| Low protein diet | 81 (19.3) | 534 (18.6) | 0.343 |
| Exercise habit (No) | 121 (28.8%) | 267 (9.3%) | < 0.001 |
| PBF (%) | 27.127 ± 7.160 | 26.593 ± 7.296 | 0.639 |
| BMC (kg) | 2.331 ± 0.306 | 2.932 ± 0.407 | < 0.001 |
| AMC (cm) | 22.279 ± 1.469 | 26.005 ± 4.678 | < 0.001 |
| VFA (cm2) | 72.854 ± 23.907 | 86.745 ± 31.215 | 0.004 |
| BMR (kcal) | 1248.85 ± 127.699 | 1503.08 ± 156.320 | < 0.001 |
| BCM (kg) | 26.069 ± 3.803 | 33.903 ± 4.796 | < 0.001 |
| FFM of Left Arm (kg) | 1.957 ± 0.409 | 2.888 ± 0.895 | < 0.001 |
| FFM of Right Arm (kg) | 2.007 ± 0.439 | 2.952 ± 1.026 | < 0.001 |
| FFM of Right Leg (kg) | 6.358 ± 1.278 | 8.360 ± 1.357 | < 0.001 |
| FFM of Left Leg (kg) | 6.313 ± 1.274 | 8.290 ± 1.319 | < 0.001 |
| ASMI (kg/m2) | 6.17 ± 0.721 | 7.75 ± 1.087 | < 0.001 |
| Grip strength (kg) | 22.358 ± 6.773 | 29.411 ± 8.116 | < 0.001 |
| Hb (g/L) | 135.23 ± 11.08 | 137.70 ± 12.69 | 0.338 |
| ALB (g/L) | 42.68 ± 2.13 | 43.17 ± 1.82 | 0.248 |
| BUN (mmol/L) | 5.49 ± 1.53 | 5.86 ± 1.61 | 0.269 |
| Cr (μmol/L) | 73.57 ± 15.38 | 76.89 ± 17.36 | 0.347 |
| LDL (mmol/L) | 3.11 ± 0.78 | 3.24 ± 0.81 | 0.407 |
| HDL (mmol/L) | 1.38 ± 0.31 | 1.31 ± 0.33 | 0.201 |
History of the disease included diabetes, hypertension, coronary heart disease, cerebral infarction, and others. A low-protein diet referred to a diet mainly contained carbohydrates and vegetables. No exercise habit meant no physical activity or exercise time < 1 h/week
Abbreviation: BMI body mass index, PBF percentage of body fat, VFA viscera fat area, AMC arm muscle circumference, BMR basal metabolic rate, BMC bone mineral content, BCM body cell mass, Hb hemoglobin, TC total cholesterol, TG triacylglycerol, HDL-C high-density lipoprotein cholesterol, LDL-C low-density lipoprotein cholesterol, ALB serum albumin, BUN urea nitrogen, Cr creatinine, ASMI appendicular skeletal muscle mass, FFM fat-free mass