Table 2. Clinical characteristics of Korean elders according to sarcopenia.
| Variables | Men | Women | ||||
| Without sarcopenia (N = 875) | With sarcopenia (N = 77) | P-value | Without sarcopenia (N = 1259) | With sarcopenia (N = 121) | P-value | |
| Age (over 80 years old) | 54 (6.2) | 11 (14.3) | 0.007 | 548 (43.5) | 70 (57.9) | 0.002 |
| BMI (over 25 kg/m2) | 216 (24.7) | 46 (59.7) | <0.001 | 440 (34.9) | 91 (75.2) | <0.001 |
| Hx of Smoking | 717 (81.9) | 60 (77.9) | 0.383 | 124 (9.8) | 11 (9.1) | 0.789 |
| Alcohol drinking(low risk and high risk) | 618 (70.6) | 56 (72.7) | 0.698 | 490 (38.9) | 30 (24.8) | 0.002 |
| Marital status (coupled) | 803 (91.8) | 72 (93.5) | 0.592 | 573 (45.5) | 68 (56.2) | 0.024 |
| Region (urban) | 497 (56.8) | 49 (63.6) | 0.245 | 721 (57.3) | 77 (63.6) | 0.175 |
| Family income (low) | 355 (40.6) | 35 (45.5) | 0.404 | 642 (51.0) | 63 (52.1) | 0.822 |
| Education (elementary) | 419 (47.9) | 35 (45.5) | 0.682 | 1041 (82.7) | 104 (86.0) | 0.361 |
| Comorbidity (3 or more) | 200 (22.9) | 27 (35.1) | 0.016 | 612 (48.6) | 84 (69.4) | <0.001 |
| Energy intake (above average) | 448 (51.2) | 28 (36.4) | 0.013 | 642 (51.0) | 48 (39.7) | 0.017 |
| Protein intake (above average) | 443 (50.6) | 33 (42.9) | 0.191 | 643 (51.1) | 47 (38.8) | 0.010 |
| Physical activity (above average) | 444 (50.7) | 33 (42.9) | 0.185 | 640 (50.8) | 50 (41.3) | 0.046 |
| WBC count | 6.13±1.39 | 6.42±1.47 | 0.080 | 5.69±1.42 | 6.32±1.53 | <0.001 |
| Ferritina | 115.7±82.1 | 134.4±98.2 | 0.250 | 70.7±50.3 | 85.4±57.9 | 0.001 |
| HOMA-IRa | 2.25±1.45 | 3.16±1.76 | <0.001 | 2.58±1.94 | 4.26±10.31 | <0.001 |
| Vitamin D | 23.3±7.7 | 19.5±6.9 | <0.001 | 20.05±7.6 | 17.7±6.9 | 0.001 |
Data are mean ± S.D or N (%).
a
Values have been analyses after log-transformation.