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Table 1 Patient baseline clinical characteristics according to body mass index

From: Association between the ratio of serum n-3 to n-6 polyunsaturated fatty acids and acute coronary syndrome in non-obese patients with coronary risk factor: a multicenter cross-sectional study

 Low BMI groupModerate BMI groupHigh BMI groupP value
(n = 1034)(n = 369)(n = 263)
Age (years)66.3 ± 10.663.2 ± 10.559.1 ± 12.0< 0.01*
Male77.2%84.8%74.5%< 0.01*
Body mass index (kg/m2)22.3 ± 1.826.0 ± 0.730.2 ± 2.7< 0.01*
Hypertension69.8%78.0%83.3%< 0.01*
Diabetes mellitus36.9%40.9%47.1%< 0.01*
Dyslipidemia67.6%73.2%83.3%< 0.01*
Smoking history43.8%51.8%46.0%0.03*
Family history of ischemic heart disease19.1%19.8%18.3%0.89
Total cholesterol (mg/dl)189.4 ± 34.6191.7 ± 36.9190.1 ± 38.90.66
Triglycerides (mg/dl)138.3 ± 83.8164.2 ± 117.4160.9 ± 87.5< 0.01*
Low-density lipoprotein cholesterol (mg/dl)109.3 ± 29.8113.3 ± 29.9112.0 ± 33.20.13
High-density lipoprotein cholesterol (mg/dl)53.2 ± 16.947.5 ± 15.448.4 ± 12.8< 0.01*
Hemoglobin A1c (%)6.2 ± 1.06.3 ± 1.16.4 ± 1.00.02*
Estimated glomerular filtration rate (ml/min/1.73 m2)68.7 ± 17.267.2 ± 17.968.8 ± 18.00.44
EPA (μg/dl)72.9 ± 42.676.2 ± 45.470.3 ± 43.10.23
DHA (μg/dl)141.2 ± 50.0147.2 ± 54.3143.8 ± 59.80.16
DGLA (μg/dl)31.9 ± 11.834.0 ± 12.436.9 ± 13.1< 0.01*
AA (μg/dl)154.6 ± 41.3159.4 ± 71.8163.2 ± 40.20.02*
EPA/AA0.49 ± 0.300.50 ± 0.300.44 ± 0.290.04*
DHA/AA0.95 ± 0.410.96 ± 0.310.90 ± 0.360.11
Statins51.5%55.8%61.2%0.01*
Antiplatelet agents65.0%68.0%58.9%0.059
Angiotensin II receptor blocker34.2%45.8%44.1%< 0.01*
Calcium channel blockers42.6%54.5%47.9%< 0.01*
Beta blockers38.4%40.4%41.1%0.64
Hypoglycemic agents20.5%23.8%20.9%0.39
ACS events9.2%7.3%10.3%0.39
  1. Values are mean ± standard deviation, or percentage
  2. BMI Body mass index, EPA/AA eicosapentaenoic acid to arachidonic acid ratio, DHA/AA docosahexaenoic acid to arachidonic acid ratio, DGLA dihomo-gamma-linolenic acid, ACS acute coronary syndrome
  3. aindicates significance, p-values were calculated by chi-squared tests (for binary variables) or analysis of variance (for continuous variables)