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Table 1 The characteristics of MI cases and controls

From: The association between pre-miR-27a rs895819 polymorphism and myocardial infarction risk in a Chinese Han population

Variable

Cases (n = 287)

Controls (n = 646)

P-value a

Age (years)

61.82 ± 11.98

61.44 ± 12.28

0.660

Sex (male)

222 (77.4%)

374 (57.9%)

<0.001 b

Smoking

171 (59.6%)

164 (25.4%)

<0.001

Drinking

77 (26.8%)

91(14.1%)

<0.001

Hypertension

182 (63.4%)

227 (35.1%)

<0.001

Diabetes

137 (47.7%)

105 (16.3%)

<0.001

Hyperlipidemia

203 (70.7%)

238 (36.8%)

<0.001

Systolic BP (mm Hg)

140.18 ± 19.18

132.20 ± 18.73

<0.001

Diastolic BP (mm Hg)

75.67 ± 11.53

72.73 ± 10.39

<0.001

FPG (mmol/L)

6.63 ± 1.73

5.80 ± 1.91

<0.001

Triglycerides (mmol/L)

2.05 ± 0.96

1.48 ± 0.80

<0.001

Total cholesterol (mmol/L)

4.71 ± 1.22

4.62 ± 1.14

0.305

LDL cholesterol (mmol/L)

3.04 ± 0.97

2.63 ± 0.92

<0.001

HDL cholesterol (mmol/L)

1.19 ± 0.39

1.38 ± 0.67

<0.001

  1. aTwo-sided chi-square test or independent-samples t-test
  2. b P values under 0.05 were indicated in bold font