Sexual Dimorphism for the Association between Vitamin D and Insulin Resistance in Chinese People
Table 1
Comparison between different 25(OH)D subgroups in males.
Males
25OHD
Q1 (≤35.08)
Q2 (35.09–41.08)
Q3 (41.09–48.38)
Q4 (>48.38)
for trend
N
704
703
704
702
Age (year)
49.34 ± 13.78
50.29 ± 12.51
53.10 ± 12.79
57.92 ± 13.20
<0.001
HbA1c (%)
5.47 ± 10.1
5.38 ± 0.91
5.44 ± 0.86
5.47 ± 0.82
0.781
Fasting glucose (mmol/L)
5.67 ± 1.50
5.58 ± 1.33
5.67 ± 1.23
5.68 ± 1.29
0.695
Fasting insulin (pmol/L)
41.90 ± 48.75
39.82 ± 35.67
37.35 ± 32.59
33.98 ± 38.24
<0.001
HOMA-IR
1.60 ± 2.37
1.46 ± 1.54
1.40 ± 1.49
1.28 ± 1.74
<0.001
Cr (umol/L)
86.17 ± 15.51
87.48 ± 15.54
88.46 ± 20.74
87.93 ± 16.34
0.020
LDL (mmol/L)
2.97 ± 0.75
3.05 ± 0.72
2.90 ± 0.66
2.80 ± 0.65
<0.001
TG (mmol/L)
2.38 ± 2.88
2.05 ± 1.79
1.79 ± 1.38
1.39 ± 0.92
<0.001
HDL (mmol/L)
1.36 ± 0.33
1.35 ± 0.29
1.35 ± 0.30
1.42 ± 0.33
0.004
TC (mmol/L)
5.19 ± 1.10
5.18 ± 1.03
4.98 ± 0.91
4.91 ± 0.87
<0.001
WC (cm)
82.05 ± 9.24
83.28 ± 9.86
82.94 ± 8.97
82.41 ± 9.00
0.417
BMI (kg/m2)
24.31 ± 3.30
24.90 ± 3.80
24.69 ± 3.63
24.21 ± 3.24
0.903
HOMA-IR: homeostasis model assessment of insulin resistance; Cr: creatinine; LDL: low-density lipoprotein; TG: triglyceride; HDL: high-density lipoprotein; TC: total cholesterol; WC: waist circumference; BMI: body mass index. Data are shown as means ± SD.
