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Table 1 Characteristics of study population

From: Single-marker and multi-marker approaches to appraise the relationships between biomarkers and microalbuminuria in Chinese middle-aged and elderly from communities: a cross-sectional analysis

Characteristics

ALL

NA

MA

P value

(n = 839)

(n = 726)

(n = 113)

Age (year)

67 (61–72)

62 (56–69)

67 (62–72)

< 0.001

Males (%)

289 (34.4)

246 (33.9)

43 (38.1)

0.386

BMI (kg/m2)

25.26 (23.11–27.64)

25.11 (22.96–27.62)

26.22 (24.29–27.70)

0.009

Cigarette smoking (%)

212 (25.3)

169 (23.3)

43 (38.1)

0.001

Hypertension (%)

501 (59.7)

417 (57.4)

84 (74.3)

0.001

Type 2 diabetes (%)

210 (25.0)

182 (25.1)

28 (24.8)

0.947

SBP (mmHg)

130 (120–144)

130 (120–142)

138 (123–157)

< 0.001

DBP (mmHg)

77 (70–83)

75 (70–81)

80 (75–90)

< 0.001

Triglyceride (mmol/L)

1.53 (1.16–2.15)

1.53 (1.15–2.12)

1.54 (1.21–2.40)

0.350

HDL-c (mmol/L)

1.34 (1.10–1.59)

1.33 (1.09–1.60)

1.36 (1.15–1.54)

0.695

LDL-c (mmol/L)

3.01 (2.55–3.43)

3.02 (2.56–3.42)

2.95 (2.52–3.48)

0.803

FBG (mmol/L)

5.01 (4.35–5.79)

4.88 (4.30–5.70)

5.48 (4.92–6.39)

< 0.001

eGFR (ml/min/1.73 m2)

86.82 (78.09–97.65)

86.61 (78.13–97.57)

89.09 (77.54–98.47)

0.972

UMA (mg/L)

1.39 (0.61–6.35)

1.12 (0.55–2.93)

41.04 (28.18–94.35)

< 0.001

UA (μmol/L)

288.30 (241.80–343.00)

288.60 (241.30–341.28)

286.10 (244.65–348.05)

0.455

Homocysteine (μmol/L)

18.30 (15.30–22.40)

17.90 (15.10–21.63)

20.70 (16.85–24.35)

< 0.001

HsCRP (mg/dl)

0.21 (0.13–0.35)

0.21 (0.13–0.35)

0.21 (0.11–0.34)

0.107

NT-proBNP (pg/mL)

47.60 (23.20–90.00)

45.20 (21.75–85.90)

73.75 (36.94–132.10)

< 0.001

ACEI/ARBs (%)

34 (4.1)

23 (3.2)

11 (9.7)

0.002

Statins (%)

32 (3.8)

31 (4.3)

1 (0.9)

0.138

  1. Abbreviation: MA microalbuminuria, BMI body mass index, SBP systolic blood pressure, DBP diastolic blood pressure, HDL-c high-density lipoprotein-cholesterol, LDL-c low-density lipoprotein-cholesterol, FBG fasting blood glucose, eGFR estimated glomerular filtration rate, UMA urinary albumin, UA uric acid, hsCRP high-sensitivity C-reactive protein, NT-proBNP N-terminal prohormone of brain natriuretic peptide, ACEI/ARB angiotensin converting enzyme inhibitors/angiotensin receptor blockers