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Table 1 General characteristics of study population stratified for MetS and non-MetS in the cross-sectional study

From: High serum ferritin level is an independent risk factor for metabolic syndrome in a Chinese male cohort population

 

Total

MetS

Non-MetS

p

No. of subjects

2417

307

2110

 

Age (years)

36(29–44)

43(35–48)

35(28–43)

<0.01

Ferritin (ng/mL)

316.8(221.4-459.9)

447.4(294.1-612.4)

302.4(215.0-435.8)

<0.01

SBP (mm Hg)

120(110–126)

130(120–140)

116(108–122)

<0.01

DBP (mm Hg)

78(70–80)

86(80–90)

76(70–80)

<0.01

Waist circumference (cm)

80.5(73.4-87.5)

92.4(88.0-95.9)

79.0(72.5-85.5)

<0.01

Triglycerides (mmol/L)

1.13(0.78-1.76)

2.50(1.88-3.69)

1.03(0.74-1.49)

<0.01

Glucose (mmol/L)

5.2(4.8-5.6)

5.8(5.4-6.2)

5.1(4.8-5.5)

<0.01

HDL (mmol/L)

1.35(1.18-1.57)

1.16(1.01-1.38)

1.38(1.21-1.59)

<0.01

BMI (kg/m2)

23.08(20.80-25.52)

27.05(25.06-28.74)

22.62(20.55-24.78)

<0.01

Smoking status, yes, n (%)

1248(51.6%)

173(56.4%)

1075(50.9%)

0.08

Alcohol drinking, yes, n (%)

972(40.2%)

144(46.9%)

828(39.2%)

0.01

Physical activity, yes, n (%)

618(25.6%)

90(29.3%)

528(25.0%)

0.10

Family history of chronic disease, yes, n (%)

485(20.1%)

85(27.7%)

400(19.0%)

<0.01

  1. Data are presented as median (25 percenile, 75 percentile) or counts (percent).
  2. The Chi-square test for categorical variables and The Mann-Whitrey U test for continuous variables.
  3. SBP, systolic blood pressure; DBP, diastolic blood pressure; HDL, high density lipoprotein cholesterol; BMI, body mass index; MetS, metabolic syndrome.