Table 2

Characteristics of women with low muscle mass

Low muscle massP values
YesNo
n=87n=89
Age (years)78.4±6.775.1±9.10.006
Height (cm)147.6±5.7150.0±6.10.008
Weight (kg)45.4±5.953.9±6.8<0.001
BMI (kg/m2)20.9±2.624.0±2.6<0.001
FMI (kg/m2)6.6±2.38.1±2.3<0.001
SMI (kg/m2)5.2±0.46.2±0.5<0.001
Waist circumference (cm)83.9±9.588.9±8.3<0.001
Fat mass (kg)14.3±5.018.2±5.1<0.001
Skeletal muscle mass (kg)11.4±1.314.1±1.8<0.001
Grip strength (kg)18.1±4.121.6±5.2<0.001
PB glucose (mg/dL)98±34100±240.656
PB insulin (μU/mL)7.1±6.08.9±7.80.132
PB triglycerides (mg/dL)130±66147±860.148
Cholesterol (mg/dL)215±32221±320.190
HDL cholesterol (mg/dL)64±1463±150.535
Leptin (ng/mL)6.8±4.08.6±5.10.008
Adiponectin (mg/L)15.5±7.612.6±8.00.017
Leucocytes (109/L)6.2±1.66.0±1.60.599
PAI-1 (ng/mL)23±1026±120.074
hsCRP (μg/dL)79±10992±1140.466
TNF-α (pg/mL)1.6±0.81.7±1.20.615
Red blood cells (1012/μL)421±34423±370.691
Hemoglobin (g/L)127±10129±120.367
Hematocrit (%)40.7±3.040.8±3.60.838
Albumin (g/dL)4.4±0.24.4±0.30.209
Iron (μg/dL)93±2794±280.908
Copper (μg/dL)110±17109±140.604
Zinc (μg/dL)77±1177±110.823
Transthyretin (mg/dL)27±527±60.436
Creatinine (mg/dL)0.67±0.120.71±0.190.080
eGFR (mL/min/1.73 m2)66±1264±150.540
Anemia (n, %)19, 21.817, 19.10.709
CKD G3b (n, %)4, 4.68, 9.00.371
Hyperadiponectinemia (n, %)23, 26.411, 12.40.022
  • 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.