Relationship between Serum 25-Hydroxyvitamin D and Lower Extremity Arterial Disease in Type 2 Diabetes Mellitus Patients and the Analysis of the Intervention of Vitamin D

Table 1

The comparison of basic characteristics in Groups NC, DM1, and DM2.

	NC ()	DM1 ()	DM2 ()
Age (y)	56.61 ± 7.45	56.24 ± 4.23	58.85 ± 6.18^b,d
Duration (y)	—	6.45 ± 2.84	9.31 ± 4.27^d
FPG (mmol/L)	4.65 ± 0.45	7.98 ± 1.26^b	8.60 ± 1.24^b,c
FINS (mU/L)	7.33 ± 1.28	8.98 ± 3.76^b	9.22 ± 2.55^b
TC (mmol/L)	4.78 ± 0.43	5.08 ± 0.59^a	5.12 ± 0.43^b
TG (mmol/L)	1.52 ± 0.42	2.52 ± 0.32^b	2.47 ± 0.37^b
LDL (mmol/L)	2.33 ± 0.45	2.63 ± 0.69^a	3.10 ± 0.74^b,d
HDL (mmol/L)	1.42 ± 0.28	1.26 ± 0.26^a	1.11 ± 0.12^b,d
HOMA-IR	1.52 ± 0.32	3.13 ± 1.28^b	3.52 ± 1.02^b
25(OH)D (ng/mL)	24.77 ± 5.92	17.32 ± 7.42^b	12.63 ± 7.83^b,d
RBP4 (μg/mL)	14.82 ± 1.84	29.28 ± 2.23^b	39.00 ± 2.10^b,d
SBP (mmHg)	120 (120, 130)	134 (127, 145)^b	153 (144, 159)^b,d
BMI (kg/m^2)	23.50 ± 2.07	25.61 ± 2.61^b	24.73 ± 3.56
HbA1c (%)	5.96 ± 0.65	7.95 ± 1.21^b	7.38 ± 0.72^b,c
WHR	0.76 ± 0.03	0.89 ± 0.03^b	0.87 ± 0.04^b
Smoking (%)	9 (23.7%)	11 (24.4%)	40 (64.5%)^b,d
Male (%)	20 (52.6%)	25 (55.6%)	38 (61.3%)

Note: compared with Group NC, ^a, ^b; compared with Group DM1, ^c, ^d.