Table 3.
Body composition and nutritional indices.
| Nutritional Variables | Overall Cohort (n = 113) |
No Sarcopenia (n = 86) |
Sarcopenia (n = 27) |
p |
|---|---|---|---|---|
| BMI (kg/m2) | 27.5 ± 5.6 | 28.4 ± 5.5 | 24.8 ± 3.0 | <0.0001 |
| Body composition (bio-impedentiometry) | ||||
| OH (L) | 1.3 ± 1.7 | 1.2 ± 1.8 | 1.4 ± 1.4 | 0.62 |
| LTI (kg/m2) | 13.5 ± 2.9 | 13.5 ± 3.1 | 13.3 ± 2.9 | 0.75 |
| Lean tissue proportion (%) | 49 ± 12 | 48 ± 12 | 51 ± 11 | 0.30 |
| FTI (kg/m2) | 13.7 ± 4.9 | 14.4 ± 5.1 | 11.6 ± 3.9 | 0.023 |
| Fat tissue proportion (%) | 35 ± 9 | 36 ± 9 | 33 ± 8 | 0.20 |
| Lean/fat tissue ratio | 1.6 ± 0.98 | 1.5 ± 0.9 | 1.8 ± 1.2 | 0.34 |
| MIS | 5 ± 5 | 4.5 ± 4 | 6 ± 6.5 | 0.09 |
| PEW | 32 (25%) | 18 (20%) | 14 (52%) | 0.0008 |
| ISRNM criteria for PEW | ||||
| Serum albumin < 3.8 g/dL | 28 (25%) | 21 (24%) | 7 (26%) | 0.63 |
| Serum prealbumin < 30 mg/dL | 59 (56%) | 43 (50%) | 16 (59%) | 0.12 |
| Serum total cholesterol < 100 mg/dL | 1 (0%) | 1 (1%) | 0 (0%) | 0.60 |
| BMI < 23 kg/m2 | 14 (12%) | 11 (12%) | 3 (11%) | 0.90 |
| Unintentional weight loss over time 1 | 19 (17%) | 14 (16%) | 5 (18%) | 0.50 |
| Total body fat percentage < 10% | 2 (2%) | 2 (2%) | 0 (0%) | 0.45 |
| Muscle wasting 2 | 5 (4%) | 4 (5%) | 1 (4%) | 0.92 |
| Unintentional low DPI 3 | 16 (14%) | 14 (16%) | 2 (7%) | 0.33 |
| Unintentional low DEI 4 | 49 (51%) | 40 (46%) | 9 (33%) | 0.42 |
BMI: body mass index; OH, over-hydration; LTI, lean tissue index. LTM, lean tissue mass. FTI, fat tissue index. MIS, Malnutrition Inflammation score. PEW, Protein Energy Wasting. ISRNM, International Society of Renal Nutrition and Metabolism. MAMC, mid-arm muscle circumference. DPI, daily protein intake. DEI, daily energy intake. 1 Five percent over 3 months or 10% over 6 months’; 2 educed muscle mass 5% over 3 months or 10% over 6 months; 3 <0.60 g kg−1 day−1 for at least 2 months; 4 <25 kcal kg−1 day−1 for at least 2 months.