Table 1 Demographic and baseline characteristics of patients with and without diabetic kidney disease.

From: Associations between serum JAML, nesfatin-1, and 25(OH)D and the risk of diabetic kidney disease in patients with type 2 diabetes

Characteristic

Overall

Non-DKD

DKD

P value

N = 227

N = 113

N = 114

Gender (%)

   

0.714

 Male

146 (64.3)

74 (65.5)

72 (63.2)

 

 Female

81 (35.7)

38 (34.5)

43 (36.8)

 

Age (years)

60.0 (52.5, 68.0)

58.0 (50.0, 65.0)

61.0 (56.3, 69.0)

0.002**

BMI (kg/m2)

24.14 (21.78, 25.87)

24.22 (21.45, 26.08)

23.88 (22.03, 25.57)

0.985

SBP (mmHg)

133 (120, 146)

129 (118, 139)

139 (125, 153)

< 0.001***

DBP (mmHg)

79 (72, 85)

79 (70, 85)

79 (72, 85)

0.711

Hypertension (%)

   

< 0.001***

 No

98 (43.2)

64 (56.6)

34 (29.8)

 

 Yes

129 (56.8)

49 (43.4)

80 (70.2)

 

Hyperlipidemia (%)

   

0.638

 No

121 (53.3)

62 (54.9)

59 (51.8)

 

 Yes

106 (46.7)

51 (45.1)

55 (48.2)

 

Cardiovascular diseases (%)

   

0.016*

 No

141 (62.1)

79 (69.9)

62 (54.4)

 

 Yes

86 (37.9)

34 (30.1)

52 (45.6)

 

Smoking status (%)

   

0.357

 Never smoker

151 (66.5)

73 (64.6)

78 (68.4)

 

 Former smoker

24 (10.6)

10 (8.8)

14 (12.3)

 

 Current smoker

52 (22.9)

30 (26.5)

22 (19.3)

 

Alcohol consumption (%)

   

0.214

 No

167 (73.6)

79 (69.9)

88 (77.2)

 

 Yes

60 (26.4)

34 (30.1)

26 (22.8)

 

Course of diabetes (years)

10.00 (4.50, 16.00)

6.00 (2.00, 12.00)

10.00 (10.00, 18.75)

< 0.001***

Complications of diabetes (%)

    

 Peripheral neuropathy

186 (81.9)

90 (79.6)

96 (84.2)

0.371

 Peripheral vascular disease

129 (58.6)

62 (54.9)

67 (58.8)

0.553

 Retinopathy

84 (37.0)

22 (19.5)

62 (54.4)

< 0.001***

 Diabetic foot

12 (5.3)

5 (4.4)

7 (6.1)

0.564

FBG (mmol/L)

7.55 (6.24, 9.49)

7.43 (6.20, 9.28)

7.59 (6.43, 9.61)

0.228

2 h-PG (mmol/L)

15.28 ± 5.05

15.35 ± 4.97

15.21 ± 5.15

0.839

HbA1c (%)

8.60 (7.15, 9.90)

8.80 (7.30, 10.50)

8.30 (7.10, 9.30)

0.014*

TG (mmol/L)

1.78 (1.20, 2.73)

1.78 (1.08, 2.92)

1.82 (1.37, 2.63)

0.445

TC (mmol/L)

4.68 (3.91, 5.56)

4.77 (3.92, 5.61)

4.66 (3.78, 5.56)

0.729

HDL-C (mmol/L)

1.12 (0.95, 1.33)

1.14 (0.98, 1.33)

1.07 (0.91, 1.33)

0.320

LDL-C (mmol/L)

3.04 (2.37, 3.62)

3.07 (2.47, 3.72)

3.01 (2.27, 3.60)

0.526

BUN (mmol/L)

6.32 (5.01, 8.08)

5.67 (4.60, 6.44)

7.75 (5.82, 10.79)

< 0.001***

Scr (µmol/L)

79.00 (65.00, 110.50)

67.20 (58.70, 79.60)

102.55 (78.23, 157.50)

< 0.001***

UA (µmol/L)

353.50 (276.70, 420.65)

315.00 (264.30, 387.30)

383.85 (306.33, 449.28)

< 0.001***

eGFR (mL/min/1.73 m2)

85.41 (55.11, 102.96)

99.71 (87.29, 114.61)

56.43 (33.23, 81.86)

< 0.001***

UmALB (mg/L)

35 (12, 328)

12 (9, 17)

328 (83, 1,530)

< 0.001***

UACR (mg/g)

31.90 (10.96, 482.74)

11.00 (8.06, 17.26)

482.74 (112.71, 2,599.88)

< 0.001***

GFR categories (%)

   

< 0.001***

 G1 (≥ 90 mL/min/1.73 m2)

102 (44.9)

80 (70.8)

22 (19.3)

 

 G2 (60–89 mL/min/1.73 m2)

60 (26.4)

27 (23.9)

33 (28.9)

 

 G3a (45–59 mL/min/1.73 m2)

23 (10.1)

4 (3.5)

19 (16.7)

 

 G3b (40–44 mL/min/1.73 m2)

15 (6.6)

0

15 (13.2)

 

 G4 (15–29 mL/min/1.73 m2)

18 (7.9)

1 (0.9)

17 (14.9)

 

 G5 (< 15 mL/min/1.73 m2)

9 (4.0)

1 (0.9)

8 (7.0)

 

Albuminuria categories (%)

   

< 0.001***

 A1 (< 30 mg/g)

110 (48.5)

106 (93.8)

4 (3.5)

 

 A2 (30–299 mg/g)

52 (22.9)

6 (5.3)

46 (40.4)

 

 A3 (≥ 300 mg/g)

65 (28.6)

1 (0.9)

64 (56.1)

 

JAML (pg/mL)

278.48 (206.56, 348.44)

242.19 (162.04, 295.31)

315.79 (266.83, 443.71)

< 0.001***

Nesfatin-1 (pg/mL)

626.90 (515.53, 713.49)

665.75 (579.62, 751.59)

563.22 (419.45, 668.57)

< 0.001***

25(OH)D (ng/mL)

21.62 (16.69, 26.84)

23.60 (19.63, 27.76)

19.57 (13.09, 25.09)

< 0.001***

  1. Continuous variables are presented as the mean ± standard deviation or median (interquartile range), while categorical variables are expressed as the n (%). DKD, diabetic kidney disease; BMI, body mass index; SBP, systolic blood pressure; DBP, diastolic blood pressure; FBG, fasting blood glucose; 2 h-PG, 2 h plasma glucose; HbA1c, glycosylated hemoglobin; TG, triglyceride; TC, total cholesterol; HDL-C, high-density lipoprotein cholesterol; LDL-C, low-density lipoprotein cholesterol; BUN, blood urea nitrogen; Scr, serum creatinine; UA, uric acid; eGFR, estimated glomerular filtration rate; UmALB, urine albumin; UACR, urine albumin creatine ratio; ‌JAML, junctional adhesion molecule-like protein; 25(OH)D, 25-hydroxy vitamin D. * P < 0.05; ** P < 0.01; *** P < 0.001.