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Table 1 Anthropometric characteristics, activity level and ultrasound parameters of 102 Nigerian sportsmen

From: Assessment of the bone quality of black male athletes using calcaneal ultrasound: a cross-sectional study

Characteristic Mean ± SD Median (range)
Age (years) 25.0 ± 6.00 24.0 (17, 47)
Weight (kg) 65.5 ± 8.00 65.0 (46.2, 85.2)
Height (m) 1.73 ± 0.64 1.72 (1.57, 1.89)
BMI (kg/m2) 21.9 ± 2.00 21.8 (17.8, 29.6)
Activity (kcal/kg/day) 35.0 ± 13.7 35.0 (4.00, 65.5)
BUA (dB/MHz) 141 ± 11 142 (111, 161)
SOS (m/s) 1618 ± 40 1617 (1534, 1778)
SI 127 ± 16 129 (83, 172)
T-Score 0.69 ± 0.95 0.82 (-1.88, 3.35)
  1. BMI = body mass index.
  2. BUA = broadband ultrasound attenuation.
  3. SOS = speed of sound.
  4. SI = stiffness index.