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Table 1 Clinical and laboratory characteristics of the study population in subjects with and without the MetS at baseline

From: Hemoglobin concentration is associated with the incidence of metabolic syndrome

Characteristics

Men (n = 3234)

P value

Women (n = 6726)

P value

MetS not present

(n = 1895/58.6%)

MetS present

(1339/41.4%)

MetS not present

(n = 3694/54.9%)

MetS present

(n = 3032/45.1%)

Age, year

57.29 ± 7.66

58.31 ± 7.46

P < 0.001

53.38 ± 7.95

57.54 ± 7.31

P < 0.001

BMI, kg/m2

23.75 ± 6.13

26.85 ± 4.51

P < 0.001

23.17 ± 4.19

26.43 ± 9.99

P < 0.001

WC, cm

84.26 ± 7.79

93.96 ± 7.22

P < 0.001

78.44 ± 8.47

88.23 ± 7.88

P < 0.001

FPG, mmol/L

5.8 (5.4–6.4)

6.3 (5.9–7.2)

P < 0.001

5.5 (5.2–5.9)

6.1 (5.7–6.9)

P < 0.001

HbA1c, %

5.7 (5.4–6.0)

6.0 (5.6–6.5)

P < 0.001

5.7 (5.4–6.0)

6.0 (5.6–6.4)

P < 0.001

SBP, mmHg

130.21 ± 17.81

139.94 ± 18.09

P < 0.001

123.08 ± 17.30

135.66 ± 17.64

P < 0.001

DBP, mmHg

80.69 ± 9.69

85.77 ± 9.68

P < 0.001

76.96 ± 9.47

81.9 ± 9.62

P < 0.001

HDL-c, mmol/L

1.27 ± 0.32

1.02 ± 0.25

P < 0.001

1.36 ± 0.32

1.13 ± 0.25

P < 0.001

LDL-c, mmol/L

2.61 ± 0.72

2.49 ± 0.75

P < 0.001

2.60 ± 0.77

2.68 ± 0.80

P < 0.001

TC, mmol/L

4.57 ± 0.93

4.55 ± 1.08

P = 0.73

4.59 ± 1.03

4.81 ± 1.05

P < 0.001

TGs, mmol/L

1.16 (0.87–1.54)

2.10 (1.53–2.97)

P < 0.001

1.05 (0.81–1.37)

1.91 (1.37–2.63)

P < 0.001

NAFLD, n (%)

438 (23.1)

889 (66.4)

P < 0.001

857 (23.2)

2017 (66.5)

P < 0.001

Hemoglobin, g/L

156.63 ± 11.51

159.62 ± 11.43

P < 0.001

135.68 ± 11.56

139.58 ± 10.57

P < 0.001

Smoking, n (%)

906 (49)

615 (46.6)

P = 0.181

45 (1.3)

31 (1.1)

P = 0.441

Drinking, n (%)

945 (51.2)

723 (54.8)

P = 0.046

319 (9.1)

229 (7.9)

P = 0.095

Tea, n (%)

673 (36.6)

579 (44.6)

P < 0.001

766 (21.5)

610 (20.6)

P = 0.38

UA, μmol/L

282 ± 64.81

325.8 ± 74.83

P < 0.001

207.30 ± 49.36

247.20 ± 61.25

P < 0.001

Insulin, pmol/L

4.9 (3.4–6.7)

7.9 (5.8–10.5)

P < 0.001

5.8 (4.3–7.5)

8.7 (6.5–11.5)

P < 0.001

eGFR, mL/min/1.73 m2

128.76 ± 24.89

122.76 ± 28.34

P < 0.001

128.76 ± 24.89

121.09 ± 23.24

P < 0.001

Heart rate, b/min

76.97 ± 12.65

78.62 ± 11.716

P < 0.001

80.34 ± 11.61

81.44 ± 11.97

P < 0.001

Education, n (%)

  

P = 0.719

  

P < 0.001

Literate or semi-literate

37 (2.0)

20 (1.5)

 

123 (3.4)

187 (6.2)

 

Primary school

311 (16.5)

215 (16.1)

 

548 (14.9)

757 (25.1)

 

Junior high school

954 (50.7)

665 (49.9)

 

1830 (49.9)

1392 (46.2)

High school

403 (21.4)

307 (20.3)

 

1037 (28.3)

610 (20.2)

 

College (or) and above

175 (9.3)

127 (9.5)

 

130 (3.5)

70 (2.3)

 
  1. Note: The values are presented as the mean ± standard deviation (median with interquartile range) or Number (proportions). Abbreviations: BMI, body mass index; WC, waist circumference; FPG, fasting plasma glucose; HbA1c, hemoglobin A1c; DBP, diastolic blood pressure; SBP, systolic blood pressure; HDL-c, high-density lipoprotein cholesterol; LDL-c, low-density lipoprotein cholesterol; TC, total cholesterol; TGs, triglycerides; UA, uric acid; eGFR, estimated glomerular filtration rate
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BMC Endocrine Disorders

ISSN: 1472-6823

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