Original Article
Copyright ©2013 Baishideng Publishing Group Co.
World J Diabetes. Apr 15, 2013; 4(2): 31-39
Published online Apr 15, 2013. doi: 10.4239/wjd.v4.i2.31
Table 1 Baseline demographics of the study population (mean ± SD)
Characteristicsn = 340
Mean age (yr)44.8 ± 14
BMI (kg/m2)36 ± 5.9
Total cholesterol (mg/dL)196 ± 41
HDL-cholesterol (mg/dL)49 ± 11
Triglycerides (mg/dL)120 ± 68
HOMA-IR4.7 ± 3
SHBG (nmol/L)42 ± 58.5
PTH (pg/mL)45 ± 21
Leptin (nmol/L)75 ± 30
Vitamin D20.5 ± 9.8
17β-estradiol70 ± 54
Table 2 Biochemical and hormonal characteristics of the study population according to different body mass index
BMI < 30 kg/m2BMI 30-35 kg/m2BMI 35-40 kg/m2BMI > 40 kg/m2
(n = 80)(n = 100)(n = 80)(n = 80)
BMI27 ± 1.232.5 ± 1b37 ± 1.5b44 ± 2b
Mean age (yr)46.5 ± 1545 ± 1446 ± 1343 ± 14
Total-cholesterol (mg/dL)199 ± 54198 ± 41204 ± 40190 ± 32
HDL-cholesterol (mg/dL)52 ± 1350 ± 1150 ± 1046 ± 10
Triglycerides (mg/dL)114 ± 79117 ± 61130 ± 72122 ± 68
Fibrinogen (mg/dL)346 ± 102341 ± 63368 ± 85421 ± 86b
C-reactive protein (ng/mL)2 ± 0.92.8 ± 0.95.0 ± 1.4b5.5 ± 2.1b
HOMA-IR2.8 ± 0.93.1 ± 0.85.0 ± 2.6b6.4 ± 2.2b
PTH (pg/mL)40 ± 1542 ± 2046 ± 2348 ± 19
Vitamin D26 ± 920 ± 10b16 ± 8b15 ± 10b
Table 3 Multivariate analysis showing that vitamin D is the only parameter that is independently associated with trunk fat percentage
Unstandardized coefficients1Standardized coefficients1
ModelBSEBetatP value
1 (constant)52.0548.4986.1250.000
Lumbar BMD6.5708.1210.1670.8090.437
Hip BMD -9.9717.687-0.259-1.0290.224
Vitamin D -0.3590.077-1.029-4.6660.001
Osteocalcin 0.1340.1110.2551.2080.255
IGF-1 -0.0020.014-0.022-0.1140.916