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Table 2 A comparison of the composition of FAs in rats’ platelet membranes across different experimental groups

From: Impact of chronic psychological stress on platelet membrane fatty acid composition in a rat model of type 1 diabetes Mellitus

Platelet FAs

(provided by percentage of

total amount)

Median, minimum, maximum,

interquartile range

Control group (n = 9)1

Stress group (n = 10)2

T1DM group (n = 8)3

T1DM + Stress group (n = 8)4

P-values

C 14:0*

Median

4.77

3.47

2.60

1.87

1 vs. 2 = 0.023$

1 vs. 3 = 0.219

1 vs. 4 = 0.047

2 vs. 3 = 1.000

2 vs. 4 = 0.383

3 vs. 4 = 0.563

Minimum

2.95

1.98

1.64

1.40

Maximum

6.56

4.68

6.45

5.84

IQR

0.88

0.81

1.08

1.33

C 16:0

Median

51.40

52.43

55.15

57.66

1 vs. 2 = 0.742 $

1 vs. 3 = 0.156

1 vs. 4 = 0.016

2 vs. 3 = 0.563

2 vs. 4 = 0.055

3 vs. 4 = 0.313

Minimum

43.83

46.66

47.68

49.30

Maximum

54.38

55.2

57.58

69.44

IQR

4.63

4.29

2.96

6.53

C 18:0

Median

38.41

39.60

37.35

34.50

1 vs. 2 = 0.195 $

1 vs. 3 = 0.313

1 vs. 4 = 0.297

2 vs. 3 = 0.031

2 vs. 4 = 0.008

3 vs. 4 = 0.844

Minimum

31.39

33.64

27.82

20.06

Maximum

42.85

43.62

46.54

38.43

IQR

6.19

2.95

4.54

9.46

C 16:1ω**7

Median

0.69

0.30

0.23

0.52

0.199#

Minimum

0.39

0.11

0.14

0.03

Maximum

3.07

1.26

2.19

1.27

IQR

0.76

0.50

0.48

0.67

C 18:1ω7

Median

0.51

0.34

0.20

0.39

1 vs. 2 = 0.461 $

1 vs. 3 = 0.313

1 vs. 4 = 0.047

2 vs. 3 = 0.313

2 vs. 4 = 0.945

3 vs. 4 = 0.916

Minimum

0.10

0.04

0.06

0.21

Maximum

1.78

1.54

1.35

0.85

IQR

0.83

0.78

0.33

0.31

C 18:1ω9

Median

1.70

1.03

0.81

1.40

0.568#

Minimum

0.43

0.10

0.19

0.31

Maximum

4.35

2.81

4.37

3.42

IQR

1.19

1.45

1.04

0.75

C 20:1ω9

Median

0.31

0.26

0.24

0.17

1 vs. 2 = 0.148 $

1 vs. 3 = 0.156

1 vs. 4 = 0.016

2 vs. 3 = 0.438

2 vs. 4 = 0.068

3 vs. 4 = 0.036

Minimum

0.19

0.14

0.11

0.12

Maximum

0.59

0.41

0.42

0.21

IQR

0.16

0.17

0.07

0.04

C 18:2ω6

Median

1.91

1.205

1.55

2.00

0.580#

Minimum

0.33

0.43

0.65

0.72

Maximum

5.55

4.94

8.20

8.02

IQR

1.36

1.61

1.00

1.19

C 18:3ω3

Median

0.59

0.32

0.28

0.25

1 vs. 2 = 0.148 $

1 vs. 3 = 0.400

1 vs. 4 = 0.031

2 vs. 3 = 0.313

2 vs. 4 = 0.483

3 vs. 4 = 0.688

Minimum

0.43

0.17

0.13

0.11

Maximum

0.82

0.92

1.03

0.92

IQR

0.20

0.15

0.25

0.25

C 20:4ω6

Median

0.49

0.33

0.28

0.19

0.285#

Minimum

0.10

0.06

0.10

0.13

Maximum

1.94

1.39

0.6

1.08

IQR

0.42

0.54

0.20

0.26

C 20:5ω3

Median

0.29

0.12

0.08

0.06

1 vs. 2 = 0.195 $

1 vs. 3 = 0.031

1 vs. 4 = 0.016

2 vs. 3 = 0.787

2 vs. 4 = 0.262

3 vs. 4 = 0.563

Minimum

0.09

0.02

0.02

0.01

Maximum

0.40

0.38

0.21

0.25

IQR

0.09

0.09

0.06

0.04

C 22:5ω3

Median

0.08

0.06

0.07

0.06

1vs 2 = 0.079$

1 vs. 3 = 0.093

1 vs. 4 = 0.375

2 vs. 3 = 0.343

2 vs. 4 = 0.554

3 vs. 4 = 0.590

Minimum

0.05

0.03

0.03

0.01

Maximum

0.14

0.09

0.15

0.14

IQR

0.06

0.04

0.06

0.06

C 22:6ω3

Median

0.07

0.07

0.08

0.05

1 vs. 2 = 1.000 $

1 vs. 3 = 1.000

1 vs. 4 = 0.178

2 vs. 3 = 0.844

2 vs. 4 = 0.016

3 vs. 4 = 0.156

Minimum

0.02

0.04

0.03

0.02

Maximum

0.12

0.13

0.16

0.07

IQR

0.05

0.05

0.07

0.02

Σ*** SFAs

Median

92.80

95.77

96.29

94.32

0.428#

Minimum

81.63

87.27

83.01

85.21

Maximum

96.89

98.63

97.3

97.71

IQR

3.79

5.57

2.90

3.10

Σ MUFAs

Median

3.64

1.89

1.31

2.59

0.420#

Minimum

1.41

0.41

0.93

0.73

Maximum

9.71

5.73

7.78

5.23

IQR

2.32

2.87

1.85

1.71

Σ PUFAs

Median

3.57

2.32

2.48

3.03

0.440#

Minimum

1.70

0.96

1.56

1.57

Maximum

8.66

7.01

9.24

9.56

IQR

1.48

2.71

1.02

1.68

Σ ω3

Median

1.07

0.60

0.60

0.42

1 vs. 2 = 0.109 $

1 vs. 3 = 0.156

1 vs. 4 = 0.031

2 vs. 3 = 0.313

2 vs. 4 = 0.195

3 vs. 4 = 0.438

Minimum

0.70

0.29

0.24

0.19

Maximum

1.41

1.45

1.31

1.31

IQR

0.17

0.24

0.25

0.32

Σ ω6

Median

2.45

1.53

1.86

2.18

0.597#

Minimum

0.43

0.49

0.78

0.85

Maximum

7.49

6.33

8.8

9.1

IQR

1.90

2.19

1.15

1.48

  1. SFAs – saturated fatty acids, MUFAs – monounsaturated fatty acids, PUFAs – polyunsaturated fatty acids, T1DM – type 1 diabetes mellitus, FAs – fatty acids, IQR – interquartile range, * – number of carbon atoms and double bonds, ** – position of double bond between carbon atoms in the molecule, *** – total sum, $Mann-Whitney-Wilcoxon test, #Kruskal-Wallis test