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Table 1 Characteristics of participants according to BMD

From: Association between renal function and bone mineral density in healthy postmenopausal Chinese women

VariablesTotal (n = 776)Normal (n = 487)Osteoporosis (n = 289)P
Age (years)62.1 ± 6.161.0 ± 5.763.9 ± 6.2< 0.001
Menopausal duration (years)12.6 ± 7.111.1 ± 6.714.9 ± 7.3< 0.001
Height (cm)153.8 ± 5.1154.5 ± 5.0152.7 ± 5.2< 0.001
Weight (kg)55.4 ± 7.857.0 ± 7.652.7 ± 7.4< 0.001
BMI (kg/cm2)23.4 ± 3.023.9 ± 2.922.6 ± 2.9< 0.001
BUN (mmol/l)5.3 (4.4, 6.2)5.3 (4.4, 6.3)5.2 (4.4, 6.1)0.455
SCr (μmol/l)58.3 (49.4, 66.1)58.7 (50.4, 65.4)57.7 (47.2, 67.1)0.316
eGFR (ml/min/ 1.73m2)a94.7 (85.3, 101.5)95.4 (86.6, 101.5)93.5 (82.4, 101.8)0.216
L1-L4 BMD (g/cm2)0.933 ± 0.1491.004 ± 0.1210.814 ± 0.110< 0.001
Femoral neck BMD (g/cm2)0.735 ± 0.1190.794 ± 0.0980.634 ± 0.078< 0.001
Total hip BMD (g/cm2)0.814 ± 0.1250.877 ± 0.0980.707 ± 0.087< 0.001
TG (mmol/l)1.4 (1.1, 2.0)1.5 (1.1, 2.0)1.4 (1.1, 2.0)0.342
TC (mmol/l)5.3 ± 0.95.3 ± 0.95.3 ± 0.90.442
HDL-C (mmol/l)1.5 (1.3, 1.8)1.5 (1.3, 1.7)1.6 (1.4, 1.8)0.044
LDL-C (mmol/l)3.1 ± 0.73.1 ± 0.73.1 ± 0.70.444
SCa (mmol/l)2.4 ± 0.12.4 ± 0.12.4 ± 0.10.140
Cigarette smoking, %13 (1.7%)7 (1.4%)6 (2.1%)0.567
Alcohol consumption, %20 (2.6%)16 (3.3%)4 (1.4%)0.106
Physical exercise, %639 (82.3%)405 (83.2%)234 (81.0%)0.439
  1. Data are expressed as mean ± SD, median (25, 75) or number with percentage (%) in parentheses
  2. BMD bone mineral density, BMI body mass index, BUN blood urea nitrogen, eGFR estimated glomerular filtration rate, HDL-C high-density lipoprotein cholesterol, LDL-C low-density lipoprotein cholesterol, SCa serum calcium, SCr serum creatinine, TC total cholesterol, TG triglyceride
  3. aeGFR calculated using the CKD Epidemiology Collaboration 2009 equation