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Table 1 Demographic, anthropometric and clinical data of the study subjects

From: The association between vitamin D receptor gene polymorphism FokI and type 2 diabetic kidney disease and its molecular mechanism: a case control study

Observational index

Healthy control group(n = 44)

Type 2 diabetes group(n = 114)

Type 2 diabetic kidney disease group(n = 158)

Χ2/H/F/Z/t value

P value

Male, n(%)

25 (56.82%)

73 (64.04%)

101 (63.92%)

0.831

0.660

Age, years

52.32 ± 6.85

57.48 ± 10.85a

59.73 ± 12.17a

20.306

<0.001*

Serum creatinine, µmol/L

72.97 ± 12.57

71.38 ± 16.58

88.18 ± 40.83ab

15.494

<0.001*

eGFR, mL/(min*1.73m2)

93.81 ± 11.40

99.78 ± 22.26

87.69 ± 47.68ab

21.494

<0.001*

Serum uric acid, µmol/L

327.36 ± 88.74

348.90 ± 93.69

369.64 ± 97.48a

3.937

0.020*

TC, mmol/L

5.09 ± 0.95

4.31 ± 1.09a

4.35 ± 1.20a

8.611

<0.001*

TG, mmol/L

1.64 (1.20, 1.96)

1.45 (0.98, 2.12)

1.63 (1.20, 2.69)b

8.123

0.017*

LDL-C, mmol/L

3.14 ± 0.86

2.61 ± 0.98a

2.51 ± 1.07a

6.860

0.001*

HDL-C, mmol/L

1.31 ± 0.27

1.10 ± 0.32a

0.97 ± 0.33ab

21.864

<0.001*

FPG, mmol/L

4.77 ± 0.32

6.67 ± 2.57a

7.28 ± 3.63a

28.677

<0.001*

VDR, ng/L

3.92 (2.38, 5.87)

0.45 (0.32, 0.91)a

0.76 (0.25, 1.53)a

72.659

<0.001*

Diabetes duration, years

-

10.00 (2.00, 13.25)

13.00 (5.75, 18.00)

−3.805

<0.001*

Smoking history, n(%)

-

34 (29.82%)

52 (32.91%)

0.292

0.589

History of hypertension, n(%)

-

50 (43.86%)

92 (58.23%)b

5.479

0.019*

history of coronary heart disease, n(%)

-

7 (6.14%)

23 (14.56%)b

4.780

0.029*

history of stroke, n(%)

-

5 (4.39%)

17 (10.76%)

3.618

0.057

History of atherosclerosis, n(%)

-

71 (62.28%)

99 (62.66%)

0.004

0.949

Family history of diabetes, n(%)

-

22 (19.30%)

29 (18.35%)

0.039

0.844

History of diabetic retinopathy, n(%)

-

5 (4.39%)

32 (20.25%)b

14.186

<0.001*

History of SGLT2 inhibitor use, n(%)

-

25 (21.93%)

30 (18.99%)

0.355

0.551

History of GLP1 drug use, n(%)

-

5 (4.39%)

9 (5.70%)

0.233

0.629

History of use of ARBs or ACEIs, n(%)

-

29 (25.44%)

47 (29.75%)

0.610

0.435

SBP, mmHg

-

118.31 ± 19.87

127.13 ± 23.08b

−3.374

0.001*

DBP, mmHg

-

77.59 ± 10.06

79.08 ± 12.62

−1.081

0.281

UACR, mg/g

-

6.84 (4.41, 13.85)

110.89 (53.44, 370.06)b

−14.033

<0.001*

Hemoglobin, g/L

-

150.33 ± 13.87

142.39 ± 21.11b

267.845

<0.001*

Neutrophil percentage, %

-

57.00 ± 10.70

61.46 ± 10.78b

−3.386

0.001*

NLR

-

1.68 (1.26, 2.40)

1.93 (1.48, 2.90)b

−2.399

0.016*

Serum albumin, g/L

-

43.23 ± 3.72

40.06 ± 5.03b

5.968

<0.001*

25 (OH) D, nmol/L

-

60.58 ± 28.20

53.25 ± 22.82b

2.323

0.021*

Serum calcium, mmol/L

-

2.31 ± 0.11

2.32 ± 0.15

−0.730

0.466

HbA1c, %

-

8.58 ± 1.95

9.38 ± 2.17b

−3.100

0.002*

FINS, mU/L

-

10.58 (5.78, 16.05)

15.54 (9.00, 27.99)b

−3.865

<0.001*

FCP, ng/mL

-

1.33 (0.81, 1.97)

1.45 (0.74, 2.20)

−0.513

0.608

VDR-FokI genotype

   

7.530

0.110

 FF

13 (29.55%)

35 (30.70%)

40 (25.32%)

  

 Ff

28 (63.64%)

61 (53.51%)

81 (51.27%)

  

 ff

3 (6.82%)

18 (15.79%)

37 (23.42%)

  
  1. aCompared with the healthy control group P value <0.017; bCompared with the T2DM group P value <0.017;; *P < 0.05;-: This indicator was not detected in the healthy group
  2. SBP, systolic blood pressure; DBP, diastolic blood pressure; eGFR, estimated glomerular filtration rate; UACR, urinary albumin-to-creatinine ratio; NLR, neutrophil-lymphocyte ratio; TC, total cholesterol; TG, triglyceride; LDL-C, low-density lipoprotein cholesterol; HDL-C, high-density lipoprotein cholesterol; 25 (OH)D, 25-hydroxyvitamin D; HbA1c, hemoglobin A1c; FPG, fasting plasma glucose; FINS, fasting insulin; FCP, Fasting C-peptide