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Table 2 Fatty acid composition of erythrocytes in subjects

From: Omega-3 index and smoking in patients with acute ST-elevation myocardial infarction taking statins: a case-control study in Korea

Fatty acids (weight %)

Case (n = 24)

Control (n = 68)

p value*

Saturated fatty acids

39.45 ± 6.45

40.12 ± 4.90

0.600

   Myristic (14:0)

0.77 ± 0.41

0.65 ± 0.43

0.227

   Palmitic (16:0)

24.31 ± 3.44

23.63 ± 3.30

0.390

   Stearic (18:0)

13.71 ± 3.64

15.34 ± 2.79

0.025

   Lignoceric (24:0)

0.67 ± 0.47

0.43 ± 0.51

0.048

Monounsaturated fatty acids

17.09 ± 1.91

18.22 ± 1.81

0.011

   trans-Palmitoleic (16:1n-7t)

0.60 ± 0.55

0.36 ± 0.42

0.031

   Palmitoleic (16:1n-7)

1.11 ± 0.48

4.40 ± 2.87

< 0.001

   trans-Oleic (18:1n-9t)

0.84 ± 0.41

0.58 ± 0.65

0.071

   Oleic (18:1n-9)

14.65 ± 1.70

12.96 ± 2.43

0.002

   Eicosenoic (20:1n-9)

0.79 ± 0.50

0.31 ± 0.37

< 0.001

   Nervonic (24:1n-9)

0.54 ± 0.45

0.36 ± 0.88

0.062

Polyunsaturated fatty acids

41.35 ± 7.36

40.01 ± 5.45

0.351

Omega-6

29.81 ± 5.01

26.05 ± 4.14

< 0.001

   trans-Linoleic (18:2n-6t)

0.22 ± 0.17

0.57 ± 0.51

< 0.001

   Linoleic (18:2n-6)

14.38 ± 4.59

10.54 ± 3.42

< 0.001

   Gamma-linolenic (18:3n-6)

0.34 ± 0.18

0.27 ± 0.56

0.590

   Eicosadienoic (20:2n-6)

0.33 ± 0.18

0.41 ± 0.48

0.425

   Dihomo-GLA (20:3n-6)

1.72 ± 0.46

1.43 ± 0.38

0.003

   Arachidonic (20:4n-6)

11.25 ± 3.07

11.25 ± 2.76

0.998

   Adrenic (22:4n-6)

1.29 ± 0.60

1.53 ± 0.61

0.101

   Docosapentaenoic (22:5n-6)

0.51 ± 0.30

0.48 ± 0.61

0.753

Omega-3

11.54 ± 3.58

13.96 ± 3.86

0.008

   Alpha-linolenic (18:3n-3)

0.77 ± 0.43

0.60 ± 0.66

0.148

   Eicosapentaenoic (20:5n-3)

1.80 ± 0.65

2.53 ± 0.96

< 0.001

   Docosapentaenoic (22:5n-3)

1.93 ± 0.73

2.64 ± 0.91

0.001

   Docosahexaenoic (22:6n-3)

7.03 ± 2.54

8.61 ± 2.57

0.011

n-6/n-3

2.79 ± 0.83

2.07 ± 0.86

0.001

Omega-3 index

8.83 ± 3.00

11.13 ± 3.08

0.002

AA/EPA

6.88 ± 2.84

5.07 ± 2.20

0.002

Total trans fatty acids

1.51 ± 0.68

1.39 ± 0.86

0.527

  1. *By two sample t-test; Omega-3 index, docosahexaenoic acid + eicosapentaenoic acid %; AA, arachidonic acid; EPA, eicosapentaenoic acid
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Lipids in Health and Disease

ISSN: 1476-511X