Characteristics of elderly women stratified by the presence and absence of low grip strength
| Low grip strength | P values | ||
| Yes | No | ||
| n=71 | n=105 | ||
| Age (years) | 80.8±5.5 | 74.0±8.5 | <0.01 |
| Height (cm) | 145.4±5.3 | 151.1±5.4 | <0.01 |
| Weight (kg) | 46.1±7.1 | 52.2±7.1 | <0.01 |
| BMI (kg/m2) | 21.8±3.2 | 22.8±2.8 | 0.031 |
| FMI (kg/m2) | 7.0±2.7 | 7.6±2.2 | 0.139 |
| SMI (kg/m2) | 5.4±0.6 | 5.9±0.6 | <0.01 |
| Waist circumference (cm) | 85.1±9.8 | 87.3±8.8 | 0.125 |
| Fat mass (kg) | 14.8±5.6 | 17.2±5.0 | 0.002 |
| Skeletal muscle mass (kg) | 11.5±1.5 | 13.6±2.0 | <0.01 |
| Grip strength (kg) | 15.0±2.6 | 23.2±3.2 | <0.01 |
| PB glucose (mg/dL) | 101±38 | 98±22 | 0.456 |
| PB insulin (μU/mL) | 9.4±9.1 | 7.3±5.4 | 0.161 |
| PB triglycerides (mg/dL) | 136 n±71 | 140±82 | 0.739 |
| Cholesterol (mg/dL) | 214±28 | 221±34 | 0.128 |
| HDL cholesterol (mg/dL) | 61±13 | 65±15 | 0.111 |
| Leptin (ng/mL) | 7.3±5.0 | 8.0±4.5 | 0.307 |
| Adiponectin (mg/L) | 16.4±9.5 | 12.5±6.2 | 0.003 |
| Leucocytes (109/L) | 6.0±1.6 | 6.2±1.6 | 0.542 |
| PAI-1 (ng/mL) | 24±10 | 25±12 | 0.337 |
| hsCRP (μg/dL) | 83±101 | 87±118 | 0.814 |
| TNF-α (pg/mL) | 1.8±0.9 | 1.6±1.1 | 0.025 |
| Red blood cells (1012/L) | 413±40 | 429±31 | 0.007 |
| Hemoglobin (g/L) | 125±12 | 130±10 | 0.004 |
| Hematocrit (%) | 40.0±3.4 | 41.3±3.2 | 0.008 |
| Albumin (g/dL) | 4.3±0.3 | 4.5±0.2 | <0.01 |
| Iron (μg/dL) | 91±29 | 95±27 | 0.256 |
| Copper (μg/dL) | 110±17 | 109±14 | 0.515 |
| Zinc (μg/dL) | 74±11 | 79±11 | 0.005 |
| Transthyretin (mg/dL) | 25±5 | 28±5 | <0.01 |
| Creatinine (mg/dL) | 0.69±0.18 | 0.68±0.13 | 0.698 |
| eGFR (mL/min/1.73 m2) | 64±13 | 66±13 | 0.356 |
| Anemia (n, %) | 19, 26.8 | 17, 16.2 | 0.088 |
| CKD G3b (n, %) | 8, 11.3 | 4, 3.8 | 0.069 |
| Hyperadiponectinemia (n, %) | 21, 29.6 | 13, 12.4 | 0.006 |
Mean±SD or n, %.
BMI, body mass index; CKD, chronic kidney disease; FMI, fat mass index; HDL, high-density lipoprotein; PAI-1, plasminogen activator-inhibitor-1; PB, post-breakfast; RBC, red blood cells; SMI, skeletal muscle mass index; TNF-α, tumor necrosis factor-alpha; eGFR, estimated glomerular filtration rate; hsCRP, high-sensitivity C-reactive protein.