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Table 1 Characteristics of participants (n = 382)

From: Association between fat mass by bioelectrical impedance analysis and bone mass by quantitative ultrasound in relation to grip strength and serum 25-hydroxyvitamin D in postmenopausal Japanese women: the Unzen study

Women Total (n = 382) Range
Mean ± SD
 Age (years) 68.2 ± 7.2 49–89
 Height (cm) 151.2 ± 5.6 128.5–166.6
 Weight (kg) 50.6 ± 7.9 30.1–81.6
 Body mass index (kg/m2) 22.1 ± 3.1 14.9–34.4
 Stiffness index 67.9 ± 12.7 41.3–132.0
 Percent fat (%) 30.5 ± 6.1 8.0–45.1
 Fat mass (kg) 15.8 ± 5.3 3.1–36.9
 Fat-free mass (kg) 34.9 ± 3.6 22.4–53.7
 Muscle mass (kg) 33.0 ± 3.2 21.6–50.2
 Grip strength (kg) 24.2 ± 5.2 6.0–39.0
Serum Median (Q1–Q3)  
 25(OH)D (ng/mL) 19.6 (15.9–23.9) 7.3–42.6
 TRACP-5b (mU/dL) 480.0 (391.0–615.3) 134.0–1151.0
 PTH (pg/mL) 38.0 (30.0–50.0) 10.0–159.0
  n (%)  
Comorbidities* 55 (14.4)  
Alcohol consumption 6 (1.6)  
Current smoking 5 (1.3)  
Exercise 140 (36.6)  
  1. SD standard deviation, 25(OH)D 25-hydroxyvitamin D, TRACP-5b tartrate-resistant acid phosphatase-5b, PTH parathyroid hormone
  2. Data are shown as mean ± standard deviation, median (first quartile–third quartile), or n (%).
  3. *Comorbidities included at least one of the following: heart disease, lung disease, stroke, or diabetes mellitus.