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Table 1 Demographics, parameters of body composition and physical function, and serum bone- and muscle-derived factors

From: Association of serum bone- and muscle-derived factors with age, sex, body composition, and physical function in community-dwelling middle-aged and elderly adults: a cross-sectional study

  Men (n = 97) Women (n = 157) p a
Age (years) 75.0 ± 8.9 73.6 ± 8.1 0.198
Height (cm) 163.1 ± 6.5 150.0 ± 6.5 < 0.001
Weight (kg) 60.9 ± 8.0 49.5 ± 8.0 < 0.001
BMI (kg/m2) 23.0 ± 2.5 22.0 ± 3.1 0.014
SOSb (m/s) 1503.6 ± 28.3 1483.4 ± 20.2 < 0.001
SMI (kg/m2) 7.5 ± 0.8 6.1 ± 0.8 < 0.001
Grip strength (kg) 34.9 ± 7.4 23.0 ± 4.5 < 0.001
Gait speed (m/s) 1.2 ± 0.3 1.3 ± 0.3 0.330
Sclerostin (pmol/L) 55.9 ± 26.1 32.6 ± 13.8 < 0.001
OC (ng/ml) 16.6 ± 5.5 21.5 ± 8.9 < 0.001
IGF-1 (ng/ml) 97.1 ± 30.5 93.4 ± 29.8 0.350
Myostatin (ng/ml) 42.9 ± 10.3 43.9 ± 12.2 0.495
TRACP-5b (mU/dL) 289.9 ± 95.4 340.3 ± 147.4 0.026
  1. BMI, body mass index; SMI, skeletal muscle mass index; SOS, speed of sound; OC, osteocalcin; IGF-1, insulin-like growth factor-1;TRACP-5b, tartrate-resistant acid phosphatase-5b
  2. All value are means ± SD
  3. a Difference between men and women (t test)
  4. b SOS of right calcaneus