Sexual Dimorphism for the Association between Vitamin D and Insulin Resistance in Chinese People
Table 2
Comparison between different 25(OH)D subgroups in females.
Females
25OHD
Q1 (≤32.755)
Q2 (32.756–38.020)
Q3 (38.021–44.530)
Q4 (>44.531)
for trend
N
946
947
947
944
Age (year)
51.31 ± 14.03
51.27 ± 12.80
51.13 ± 12.97
55.59 ± 13.48
<0.001
HbA1c (%)
5.21 ± 0.85
5.27 ± 0.68
5.30 ± 0.76
5.39 ± 0.71
<0.001
Fasting glucose (mmol/L)
5.64 ± 1.18
5.58 ± 1.15
5.58 ± 1.32
5.54 ± 1.06
0.035
Fasting insulin (pmol/L)
43.29 ± 35.37
39.73 ± 25.88
40.94 ± 29.68
39.78 ± 27.09
0.036
HOMA-IR
1.63 ± 1.90
1.46 ± 1.21
1.53 ± 1.51
1.44 ± 1.23
0.015
Cr (umol/L)
66.83 ± 10.51
68.67 ± 11.49
69.94 ± 15.45
70.31 ± 11.43
<0.001
LDL (mmol/L)
2.84 ± 0.71
2.94 ± 0.78
2.94 ± 0.72
2.98 ± 0.73
0.001
TG (mmol/L)
1.59 ± 1.39
1.54 ± 1.70
1.40 ± 0.99
1.37 ± 0.78
<0.001
HDL (mmol/L)
1.52 ± 0.32
1.52 ± 0.31
1.53 ± 0.31
1.53 ± 0.31
0.332
TC (mmol/L)
5.06 ± 1.01
5.13 ± 1.04
5.09 ± 1.02
5.16 ± 1.05
0.251
WC (cm)
75.27 ± 9.94
76.11 ± 9.87
76.02 ± 9.48
77.78 ± 9.49
<0.001
BMI (kg/m2)
23.67 ± 3.70
23.87 ± 3.57
23.93 ± 3.66
24.02 ± 3.42
0.075
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.
