Table 1.
Demographics, clinical characteristics, laboratory data, and inflammatory cytokines.
| Total (n = 299) | Nonelderly (n = 145) | Elderly (n = 154) | p | |
|---|---|---|---|---|
| Male/female | 127/172 | 49/96 | 78/76 | 0.004 |
| Age (yrs) | 63.3 ± 9.8 | 55.5 ± 7.1 | 70.7 ± 5.2 | <0.001 |
| BMI (kg/m2) | 23.5 ± 3.4 | 23.4 ± 3.6 | 23.6 ± 3.2 | 0.616 |
| ASMI (kg/m2) | 6.96 ± 1.05 | 6.94 ± 1.12 | 6.97 ± 0.98 | 0.806 |
| N/L | 257/42 | 127/18 | 130/24 | 0.506 |
| BFP (%) | 28.4 ± 7.1 | 29.4 ± 7.5 | 27.4 ± 6.6 | 0.014 |
| Smoking history (y/n) | 39/260 | 22/123 | 17/137 | 0.307 |
| Hypertension (y/n) | 90/209 | 24/121 | 66/88 | <0.001 |
| Diabetes (y/n) | 22/277 | 9/136 | 13/141 | 0.303 |
| Hyperlipidemia (y/n) | 92/207 | 33/112 | 59/95 | 0.003 |
| HbA1c (%) | 5.7 ± 0.5 | 5.6 ± 0.4 | 5.8 ± 0.5 | <0.001 |
| Alb (serum albumin) (g/dl) | 4.29 ± 0.26 | 4.32 ± 0.25 | 4.26 ± 0.26 | <0.049 |
| AST (aspartate transaminase) (U/I) | 23.1 ± 8.0 | 21.4 ± 7.1 | 24.8 ± 8.5 | <0.001 |
| ALT (alanine aminotransferase) (U/I) | 22.6 ± 12.7 | 21.86 ± 13.06 | 23.2 ± 12.4 | 0.355 |
| T-cho (mg/dl) | 211.7 ± 35.7 | 216.8 ± 34.98 | 206.8 ± 35.9 | 0.015 |
| BUN (mg/dl) | 15.2 ± 4.0 | 13.92 ± 3.28 | 16.38 ± 4.28 | <0.001 |
| Cre (mg/dl) | 0.77 ± 0.27 | 0.71 ± 0.13 | 0.82 ± 0.34 | <0.001 |
| CRP (mg/dl) | 0.09 ± 0.27 | 0.06 ± 0.1 | 0.12 ± 0.36 | 0.039 |
| TNF-alpha (pg/ml) | 11.3 ± 11.0 | 11.5 ± 10.7 | 11.0 ± 11.2 | 0.695 |
| IL-6 (pg/ml) | 7.9 ± 26.8 | 9.6 ± 37.4 | 6.2 ± 8.9 | 0.270 |
| MCP-1 (pg/ml) | 61.3 ± 59.6 | 62.7 ± 54.6 | 59.9 ± 64.1 | 0.688 |
BMI: body mass index; BFP: body fat percentage; ASMI: appendicular skeletal muscle mass; appendicular soft lean mass/(height)2; N/L: N group (ASMI ≥ 7.0 kg/m2 and 5.7 kg/m2 in men and women, respectively)/L group (ASMI < 7.0 kg/m2 and 5.7 kg/m2 in men and women, respectively).