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Table 1 Characteristics of study participants according to uric acid quartiles

From: Association between serum uric acid levels and cardiovascular disease in middle-aged and elderly Chinese individuals

Characteristics

Q1

Q2

Q3

Q4

P value

(n = 2428)

(n = 2114)

(n = 1986)

(n = 1982)

≤0.2

0.21-0.24

0.25-0.29

≥0.30

MetS (%)

927 (38.2)

1112 (52.6)

1210 (60.9)

1410 (71.1)

<0.001

Uric acid (mmol/L)

0.18 (0.16-0.19)

0.22 (0.22-0.24)

0.27 (0.26-0.28)

0.34 (0.31-0.37)

<0.001

Male n (%)

316 (13.02)

500 (23.65)

705 (35.52)

1205 (60.80)

<0.001

Age (yrs)b

53.29 ± 7.97

55.72 ± 7.75

57.25 ± 7.45

57.93 ± 7.46

<0.001

Smoking (yes)

413 (17.02)

411 (19.44)

501 (25.23)

680 (34.31)

<0.001

Alcohol (yes)

524 (21.59)

514 (24.31)

579 (29.15)

852 (42.99)

<0.001

SBP (mmHg)

125 ± 20

129 ± 21

132 ± 20

135 ± 19

<0.001

DBP (mmHg)

78 ± 10

80 ± 10

81 ± 11

83 ± 10

<0.001

BMI (kg/m2)

23.41 ± 3.19

24.76 ± 8.45

25.53 ± 11.29

25.79 ± 4.49

<0.001

Waist circumference (cm)

80 ± 10

84 ± 12

86 ± 10

89 ± 9

<0.001

Hip circumference (cm)

94.07 ± 7.40

95.85 ± 7.00

96.85 ± 6.78

98.09 ± 6.89

<0.001

Fasting plasma glucose (mmol/L)

6.05 ± 1.50

6.39 ± 1.89

6.50 ± 1.80

6.53 ± 1.61

<0.001

P2hPG (mmol/L)

7.95 ± 3.49

8.88 ± 4.16

9.26 ± 4.04

9.36 ± 3.91

<0.001

HbA1C

5.84 ± 0.97

6.01 ± 1.10

6.05 ± 1.07

6.02 ± 0.94

0.021

Triglycerides (mmol/L)c

1.09 (0.82-1.52)

1.36 (0.98-1.93)

1.49 (1.06-2.24)

1.86 (1.29-2.67)

<0.001

Total cholesterol (mmol/L)

4.59 ± 0.99

4.79 ± 0.99

4.81 ± 1.01

4.88 ± 1.05

<0.001

LDL cholesterol (mmol/L)

2.56 ± 0.75

2.66 ± 0.76

2.72 ± 0.79

2.72 ± 0.78

<0.001

HDL cholesterol (mmol/L)

1.33 ± 0.33

1.27 ± 0.31

1.22 ± 0.31

1.17 ± 0.30

<0.001

Physical activity

    

0.191

Low

1795 (73.96)

1538 (72.75)

1453 (73.16)

1395 (70.38)

 

Moderate

487 (20.07)

435 (20.58)

397 (19.99)

438 (22.10)

 

High

145 (5.97)

141 (6.67)

136 (6.85)

149 (7.52)

 

Education

    

0.061

0-6

520 (21.43)

516 (24.41)

497 (25.03)

464 (23.41)

 

7-9

1217 (50.14)

1048 (49.57)

989 (47.80)

988 (49.85)

 

≥10

690 (28.43)

550 (26.02)

500 (27.17)

530 (26.74)

 

Stroke

69 (2.84)

84 (3.97)

99 (4.98)

168 (8.48)

<0.001

Coronary heart disease

149 (6.14)

171 (8.09)

233 (11.73)

379 (19.12)

<0.001

Hypertension

1029 (42.40)

1109 (52.46)

1213 (61.08)

1386 (69.93)

<0.001

Diabetes mellitus

319 (13.14)

453 (21.43)

574 (28.90)

622 (31.38)

<0.001

Anti-hypertension medications

342 (14.09)

351 (16.60)

394 (19.84)

448 (22.60)

<0.001

Anti-diabetic medications

110 (4.53)

111 (5.25)

140 (7.05)

119 (6.00)

0.003

Lipid-lowering medications

65 (2.68)

71 (3.36)

62 (3.12)

57 (2.88)

0.571

  1. SBP, systolic blood pressure; DBP, diastolic blood pressure; BMI, body mass index; P2hPG, postprandial 2-hour plasma glucose; HbA1C, Glycated hemoglobin; LDL, Low-density lipoprotein; HDL, high--density lipoprotein.
  2. aData are presented as mean ± SD, median (interquartile range), or number (percent); P value was calculated after adjustment for age, gender.
  3. bNot adjusted for itself.
  4. cThis variables was log transformed before analysis.
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BMC Cardiovascular Disorders

ISSN: 1471-2261

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