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Table 1 Basic characteristics of the participants stratified by albuminuria and reduced eGFR

From: Clinical features of and risk factors for normoalbuminuric diabetic kidney disease in hospitalized patients with type 2 diabetes mellitus: a retrospective cross-sectional study

Variables

non-DKD

ADKD

AGDKD

NADKD

P-value

Number, n (%)

1120 (69.1)

360 (22.2)

95 (5.9)

45 (2.8)

–

Age (years)

55.5 ± 11.6

57.9 ± 13.2a

66.2 ± 12.1ab

67.6 ± 12.2ab

< 0.001

Female

369 (32.9)

127 (35.3)

40 (42.1)

22 (48.9) ab

< 0.05

Duration of diabetes (years)

6 (1, 10)

8 (3, 13) a

13 (10, 20) ab

8 (2, 15) c

< 0.001

BMI (kg/m2)

24.4 (22.5, 26.5)

24.8 (22.4, 27.3)

24.2 (22.3, 25.7)

25.4 (23.2, 26.8)

0.100

WC (cm)

90.7 ± 9.1

92.1 ± 10.3

91.4 ± 9.6

92.6 ± 7.6

0.079

Smoking, n (%)

381 (34.0)

129 (35.8)

28 (29.5)

9 (20.0)

0.150

Hypertension

481 (42.9)

257 (71.4) a

84 (88.4) ab

34 (75.6) a

< 0.001

SBP (mmHg)

135 ± 18

145 ± 21a

152 ± 22ab

137 ± 20bc

< 0.001

DBP (mmHg)

83 ± 11

86 ± 12 a

85 ± 12

79 ± 12abc

< 0.001

PP (mmHg)

50 (41, 60)

56 (45, 68) a

67 (50, 79) ab

57 (42, 73) ac

< 0.001

Duration of hypertension (years)

0 (0, 4)

1 (0, 10) a

3 (0, 10) ab

5 (0, 10) a

< 0.001

FPG (mmol/L)

7.73 (6.27, 9.78)

8.93 (6.67, 11.36) a

7.44 (5.51, 10.80) b

6.90 (6.16, 9.50) b

< 0.001

HbA1c (%)

9.3 ± 2.3

9.9 ± 2.2a

9.0 ± 2.3b

8.3 ± 2.5ab

< 0.001

Scr (μmol/L)

66 (54, 76)

70 (57, 82) a

140 (114, 184) ab

114 (98, 125) ab

< 0.001

BUN (mmol/L)

4.85 (4.08, 5.92)

5.40 (4.40, 6.40) a

8.60 (7.18, 11.05) ab

6.92 (5.95, 8.95) ab

< 0.001

SUA (μmol/L)

338 (280, 404)

345 (289, 418) a

409 (378, 482) ab

428 (332, 486) ab

< 0.001

eGFR (ml/min/1.73m2)

100.8 (91.2, 109.2)

94.6 (78.6, 107.5) a

43.0 (28.4, 49.9) ab

50.7 (45.9, 56.2) ab

< 0.001

UACR (mg/g)

7 (4, 12)

95 (46, 217) a

432 (114, 1083) ab

6 (4, 15) bc

< 0.001

TG (mmol/L)

1.56 (1.04, 2.25)

1.74 (1.17, 2.78) a

1.74 (1.23, 2.52)

1.34 (1.03, 1.89) b

< 0.001

TC (mmol/L)

4.86 (4.08, 5.72)

5.11 (4.31, 6.18) a

4.99 (4.23, 5.97)

4.38 (3.69, 5.44) abc

< 0.001

HDL-C (mmol/L)

1.07 (0.92, 1.24)

1.05 (0.90, 1.28)

1.08 (0.88, 1.31)

1.10 (0.98, 1.34)

0.735

LDL-C (mmol/L)

3.02 (2.39, 3.60)

3.05 (2.40, 3.78)

2.80 (2.30, 3.77)

2.74 (1.98, 3.24)

0.221

ApoAI (mg/dL)

119.5 (107.1, 134.0)

120.0 (105.9, 138.3)

117.0 (102.4, 136.0)

125.2 (109.9, 142.5)

0.278

ApoB (mg/dL)

91.0 (74.1, 108.5)

96.8 (74.4, 114.8) a

89.4 (77.3, 112.0)

79.0 (61.7, 100.3) abc

< 0.01

ApoB/ApoAI

0.76 (0.60, 0.92)

0.79 (0.61, 1.01)

0.78 (0.61, 0.96)

0.65 (0.48, 0.83) abc

< 0.05

Anemia, n (%)

32 (2.9)

29 (8.1) a

39 (41.5) ab

11 (24.4) abc

< 0.001

Stroke, n (%)

69 (6.2)

40 (11.1) a

20 (21.1) ab

7 (15.6) a

< 0.001

Adverse cardiovascular event, n (%)

32 (2.9)

25 (6.9) a

7 (7.4) a

4 (8.9) a

< 0.01

Carotid plaque, n (%)

612 (55.4)

227 (66.4) a

73 (81.1) ab

32 (74.4) a

< 0.001

Carotid plaque score

1 (0, 3)

2 (0, 4) a

3 (1, 5) ab

2 (0, 4) a

< 0.001

PAD, n (%)

86 (7.8)

67 (18.8) a

36 (39.1) ab

8 (18.6) ac

< 0.001

DR, n (%)

111 (9.9)

83 (23.1) a

39 (41.1) ab

2 (4.4) bc

< 0.001

DPN, n (%)

418 (37.3)

213 (59.2) a

68 (71.6) ab

20 (44.4) c

< 0.001

Insulin administration, n (%)

231 (20.6)

104 (28.9) a

50 (52.6) ab

17 (37.8) a

< 0.001

Lipid-lowering drugs, n (%)

307 (27.4)

103 (28.6)

36 (37.9)

20 (44.4) a

< 0.05

Antihypertensive drugs, n (%)

356 (31.8)

181 (50.3) a

70 (73.7) ab

29 (64.4) a

< 0.001

RASIs, n (%)

197 (17.6)

105 (29.2) a

46 (48.4) ab

20 (44.4) ab

< 0.001

  1. One-way analysis of variance (ANOVA) with LSD was applied for the intergroup comparisons when the data accorded with normal distribution and homogeneity of variance. The Kruskal-Wallis test was used to compare variables with skewed distribution. Chi-Square test was applied to determine p-values for categorical variables. a p < 0.05 compared to the non-DKD group. b p < 0.05 compared to the ADKD group. c p < 0.05 compared to the AGDKD group. BMI Body mass index, WC Waist circumference, SBP Systolic blood pressure, DBP Diastolic blood pressure, PP Pulse pressure, FPG Fasting plasma glucose, HbA1c Glycated hemoglobin, Scr Serum creatinine, BUN Blood urea nitrogen, SUA Serum uric acid, eGFR Estimated glomerular filtration rate, UACR Urinary albumin-to-creatinine ratio, TG Triglycerides, TC Total cholesterol, HDL-C High-density lipoprotein cholesterol, LDL-C Low-density lipoprotein cholesterol, ApoAI Apolipoprotein A, ApoB Apolipoprotein B, PAD Peripheral arterial disease, DR Diabetic retinopathy, DPN Diabetic peripheral neuropathy, RASIs Renin-angiotensin system inhibitors