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Table 2 HR (95% CIs) of pancreatic cancer, by quartile of each fatty acid

From: Dietary intake of fatty acids and risk of pancreatic cancer: Golestan cohort study

Fat intake

Quartiles of fat intakes

P-Trend

Continuous

Q1

Q2

Q3

Q4

Total fat

    

0.62

1.004(0.98-1.02)

 Range (gday-1)

7.46-60.03

60.03-73.57

73.57-88.02

88.02-304.73

  

 Median (gday-1)

50.46

67.25

80.19

99.88

 Cases/controls

20/11722

18/11732

14/11730

22/11720

 Multivariate HR (95% CI)

1

0.91(0.48-1.71)

0.54(0.24-1.21)

1.07(0.44-2.59)

SFAa

 4:0

    

0.35

0.91 (0.76-1.10)

  Range (gday-1)

0.00-0.25

0.25-0.39

0.39-0.63

0.63-9.99

  

  Median (gday-1)

0.17

0.31

0.49

1.03

  Cases/controls

20/11720

13/11732

23/11724

18/11727

  Multivariate HR (95% CI)

1

0.70(0.34-1.44)

1.001(0.51-1.92)

0.73(0.36-1.46)

 6:0

    

0.04

0.82 (0.68-0.99) *

  Range (gday-1)

0.00-0.19

0.19-0.30

0.30-0.52

0.52-9.99

  

  Median (gday-1)

0.14

0.24

0.38

3.74

  Cases/controls

23/11719

14/11727

25/11733

12/11732

  Multivariate HR (95% CI)

1

0.64(0.32-1.28)

0.81(0.43-1.53)

0.51(0.24-1.04)

 8:0

    

0.01

0.84(0.74-0.96) *

  Range (gday-1)

0.00-0.18

0.18-0.27

0.27-0.55

0.55-10.00

  

  Median (gday-1)

0.13

0.22

0.35

5.72

  Cases/controls

23/11709

17/11736

23/11725

11/11734

  Multivariate HR (95% CI)

1

0.70(0.37-1.32)

0.65(0.34-1.24)

0.38(0.18-0.79)*

 10:0

    

0.55

0.93 (0.75-1.16)

  Range (gday-1)

0.00-0.36

0.36-0.59

0.59-0.90

0.90-9.99

  

  Median (gday-1)

0.24

0.47

0.72

1.25

  Cases/controls

19/11722

14/11727

20/11731

21/11724

  Multivariate HR (95% CI)

1

0.82(0.40-1.68)

1.09(0.56-2.13)

0.82(0.40-1.65)

 12:0

    

0.37

0.89 (0.69-1.14)

  Range (gday-1)

0.00-0.29

0.29-0.46

0.46-0.69

0.69-9.99

  

  Median (gday-1)

0.21

0.37

0.55

0.94

  Cases/controls

20/11722

10/11733

22/11724

22/11725

  Multivariate HR (95% CI)

1

0.55(0.25-1.19)

1.13(0.58-2.18)

0.81(0.40-1.64)

 14:0

    

0.78

1.04 (0.77-1.41)

  Range (gday-1)

0.10-0.85

0.85-1.32

1.32-1.93

1.93-9.91

  

  Median (gday-1)

0.57

1.08

1.59

2.47

  Cases/controls

17/11726

13/11732

19/11726

25/11720

  Multivariate HR (95% CI)

1

0.88(0.41-1.85)

1.17(0.57-2.43)

1.06(0.47-2.37)

 16:0

    

0.30

0.91 (0.77-1.08)

  Range (gday-1)

1.09-8.20

8.20-10.26

10.26-12.67

12.67-54.39

  

  Median (gday-1)

6.84

9.27

11.34

14.73

  Cases/controls

19/11725

13/11732

19/11726

23/11721

  Multivariate HR (95% CI)

1

0.53(0.24-1.18)

0.72(0.32-1.63)

0.68(0.21-2.12)

 18:0

    

0.01

1.03(1.01-1.07)

  Range (gday-1)

0.61-18.17

18.17-24.65

24.65-30.90

30.90-234.84

  

  Median (gday-1)

12.58

21.68

27.68

35.78

  Cases/controls

16/11728

18/11726

14/11732

26/11718

  Multivariate HR (95% CI)

1

1.21(0.58-2.54)

1.24(0.54-2.87)

2.57(1.03-6.41)*

 20:0

    

0.33

-

  Range (gday-1)

0.00-0.09

0.09-0.14

0.14-0.18

0.18-1.08

  

  Median (gday-1)

0.06

0.12

0.16

0.21

  Cases/controls

21/11722

10/11712

20/11738

23/11732

  Multivariate HR (95% CI)

1

0.53(0.24-1.18)

0.97(0.47-2.01)

1.25(0.53-2.92)

 22:0

    

0.01

-

  Range (gday-1)

0.00-0.08

0.08-0.11

0.11-0.15

0.15-1.08

  

  Median (gday-1)

0.05

0.10

0.13

0.17

  Cases/controls

18/11719

13/11726

20/11738

23/11721

  Multivariate HR (95% CI)

1

0.74(0.34-1.59)

1.47(0.70-3.08)

1.80(0.76-4.28)

 24:0

    

<0.001

0.69(0.60-0.80) *

  Range (gday-1)

0.00-2.60

2.60-3.69

3.69-4.82

4.82-9.99

  

  Median (gday-1)

1.90

3.17

4.20

5.80

  Cases/controls

36/11704

8/11737

13/11731

17/11726

  Multivariate HR (95% CI)

1

0.24(0.11-0.52) *

0.36(0.18-0.69)*

0.42(0.22-0.81)*

 Odd carbon Fatty acids (13:0,15:0,17:0)

    

<0.001

0.76(0.67-0.85) *

  Range (gday-1)

0.00-1.65

1.65-3.07

3.07-5.85

5.85-10.00

  

  Median (gday-1)

1.24

2.22

4.29

7.78

  Cases/controls

32/11713

19/11725

15/11729

8/11737

  Multivariate HR (95% CI)

1

0.72(0.40-1.28)

0.49(0.26-0.91)*

0.27(0.12-0.61)*

 Long Chain fatty acids (>20C)

    

<0.001

0.71(0.61-0.82) *

  Range (gday-1)

0.00-2.79

2.79-3.95

3.95-5.15

5.15-10.80

  

  Median (gday-1)

2.05

3.41

4.50

6.18

  Cases/controls

36/11709

8/11733

13/11730

17/11726

  Multivariate HR (95% CI)

1

0.24(0.11-0.52) *

0.36(0.18-0.69)*

0.42(0.22-0.81)*

Total SFA

    

0.01

1.05 (1.01-1.09) *

 Range (gday-1)

1.78-30.28

30.28-39.22

39.22-47.94

47.94-270.28

  

 Median (gday-1)

23.72

35.12

43.29

54.77

 Cases/controls

19/11725

18/11725

11/11736

26/11718

 Multivariate HR (95% CI)

1

0.95(0.46-1.96)

0.73(0.29-1.82)

1.63(0.56-4.75)

MUFAa:

 16:1 undifferentiated

    

0.06

0.50(0.24-1.03)

  Range (gday-1)

0.026-0.54

0.54-0.76

0.76-1.03

1.03-7.53

  

  Median (gday-1)

0.41

0.65

0.88

1.28

  Cases/controls

23/11718

14/11731

15/11730

22/11725

  Multivariate HR (95% CI)

1

0.54(0.27-1.08)

0.50(0.25-1.03)

0.42(0.20-0.90)*

 18:1 undifferentiated

    

0.04

0.92(0.85-0.99) *

  Range (gday-1)

1.38-13.57

13.57-17.16

17.16-21.33

21.33-80.80

  

  Median (gday-1)

11.22

15.39

19.04

24.89

  Cases/controls

19/11725

20/11724

19/11727

16/11728

  Multivariate HR (95% CI)

1

0.65(0.32-1.32)

0.54(0.23-1.25)

0.34(0.11-1.05)

 20:1

    

0.91

1.00(0.91-1.10)

  Range (gday-1)

0.00-0.16

0.16-.020

0.20-0.29

0.29-9.99

  

  Median (gday-1)

0.12

0.17

0.23

4.14

  Cases/controls

16/11566

17/11575

21/11573

20/11580

  Multivariate HR (95% CI)

1

0.84(0.41-1.71)

1.39(0.69-2.79)

1.12(0.57-2.20)

Total MUFA

    

0.036

0.92(0.86-0.99) *

 Range (gday-1)

1.58-14.59

14.59-18.46

18.46-22.94

22.94-89.58

  

 Median (gday-1)

12.09

16.55

20.47

26.74

 Cases/controls

19/11725

20/11724

19/11726

16/11729

 Multivariate HR (95% CI)

1

0.68(0.34-1.36)

0.50(0.22-1.16)

0.32(0.10.0.99)*

PUFA n-6:

 20:2n-6

    

0.81

-

  Range (gday-1)

0.00-0.003

0.003-0.006

0.006-0.009

0.009-0.096

  

  Median (gday-1)

0.00

0.00

0.01

0.01

  Cases/controls

17/11214

19/12240

20/11671

18/11779

  Multivariate HR (95% CI)

1

1.67(0.84-3.32)

1.90(0.95-3.80)

1.60(0.76-3.39)

 18:2n-6

    

0.78

0.97(0.83-1.14)

  Range (gday-1)

0.00-0.79

0.79-1.67

1.67-2.66

2.66-37.93

  

  Median (gday-1)

0.18

1.23

2.12

3.61

  Cases/controls

22/11685

18/11762

19/11729

15/11728

  Multivariate HR (95% CI)

1

1.24(0.65-2.37)

1.26(0.66-2.41)

0.95(0.46-1.96)

 18:2 n-6 (CLA)

    

0.39

-

  Range (gday-1)

0.00-0.00

0.00-0.00

0.00-0.00

0.00-0.20

  

  Median (gday-1)

0.00

0.00

0.00

0.01

  Cases/controls

40/22510

1/928

14/10440

19/13026

  Multivariate HR (95% CI)

1

0.66(0.09-4.83)

0.94(0.50-1.75)

0.95(0.52-1.70)

 18:2 Undifferentiated

    

0.08

0.92(0.84-1.01)

  Range (gday-1)

0.47-5.71

5.71-7.41

7.41-9.76

9.76-123.04

  

  Median (gday-1)

4.68

6.56

8.39

12.56

  Cases/controls

23/11721

22/11723

13/11732

16/11728

  Multivariate HR (95% CI)

1

0.61(0.32-1.17)

0.40(0.18-0.88)*

0.47(0.19-1.15)

 18:3 Undifferentiated

    

0.14

0.31(0.06-1.48)

  Range (gday-1)

0.09-0.56

0.56-0.72

0.72-0.91

0.91-6.08

  

  Median (gday-1)

0.46

0.64

0.80

1.06

  Cases/controls

20/11715

18/11734

16/11722

20/11733

  Multivariate HR (95% CI)

1

0.82(0.40-1.69)

0.63(0.27-1.47)

0.68(0.24-1.89)

 20:4 Undifferentiated

    

0.73

0.98(0.88-1.08)

  Range (gday-1)

0.00-0.17

0.17-0.25

0.25-0.44

0.44-9.99

  

  Median (gday-1)

0.13

0.21

0.31

4.77

  Cases/controls

23/11464

20/11486

17/11482

13/11486

  Multivariate HR (95% CI)

1

0.87(0.47-1.59)

0.66(0.34-1.27)

0.38(0.18-0.78)*

PUFA n-3:

 20:5n-3(EPA)

    

0.74

-

  Range (gday-1)

0.00-0.01

0.01-0.02

0.02-0.04

0.04-1.59

  

  Median (gday-1)

0.00

0.01

0.02

0.06

  Cases/controls

19/11686

21/11696

17/11791

17/11731

  Multivariate HR (95% CI)

1

1.19(0.63-2.23)

0.95(0.48-1.90)

0.84(0.40-1.75)

 22:5n-3(DPA)

    

0.12

-

  Range (gday-1)

0.00-0.01

0.01-0.03

0.03-0.05

0.05-0.55

  

  Median (gday-1)

0.01

0.02

0.04

0.06

  Cases/controls

20/11689

19/11744

17/11699

18/11772

  Multivariate HR (95% CI)

1

1.00(0.53-1.88)

0.95(0.49-1.84)

0.66(0.33-1.35)

 18:3n-3(ALA)

    

0.45

1.88(0.35-9.90)

  Range (gday-1)

0.00-0.02

0.02-0.03

0.03-0.05

0.05-4.71

  

  Median (gday-1)

0.02

0.03

0.04

0.08

  Cases/controls

19/11712

14/11692

19/11764

22/11736

  Multivariate HR (95% CI)

1

0.76(0.36-1.59)

1.18(0.57-2.41)

1.64(0.77-3.48)

 22:6n-3(DHA)

    

0.28

0.09(0.001-7.25)

  Range (gday-1)

0.00-0.03

0.03-0.06

0.06-0.09

0.09-1.62

  

  Median (gday-1)

0.02

0.04

0.07

0.13

  Cases/controls

20/11688

20/11738

15/11750

19/11728

  Multivariate HR (95% CI)

1

1.05(0.56-1.97)

0.81(0.41-1.63)

0.69(0.34-1.39)

Total PUFAa

    

0.05

0.91(0.84-1.00)

 Range (gday-1)

0.66-6.67

6.67-8.62

8.62-11.29

11.29-125.45

  

 Median (gday-1)

5.49

7.64

9.74

14.38

 Cases/controls

23/11721

22/11722

11/11734

18/11727

 Multivariate HR (95% CI)

1

0.72(0.38-1.35)

0.24(0.10-0.57) *

0.48(0.19-1.17)

Total n-3a

    

0.52

0.52(0.07-3.76)

 Range (gday-1)

0.00-0.10

0.10-0.16

0.16-0.24

0.24-4.90

  

 Median (gday-1)

0.07

0.13

0.19

0.33

 Cases/controls

17/11716

23/11717

17/11738

17/11733

 Multivariate HR (95% CI)

1

1.42(0.75-2.69)

1.11(0.54-2.25)

0.70(0.32-1.53)

Total n-6a

    

0.77

0.97(0.83-1.14)

 Range (gday-1)

0.00-0.79

0.79-1.68

1.68-2.68

2.68-37.93

  

 Median (gday-1)

0.19

1.24

2.12

3.61

 Cases/controls

22/11721

18/11727

19/11722

15/11734

 Multivariate HR (95% CI)

1

1.24(0.65-2.39)

1.26(0.66-2.42)

0.95(0.46-1.96)

Total trans

    

0.05

1.09(0.99-1.20)

 Range (gday-1)

0.00-4.60

4.60-6.56

6.56-8.35

8.35-70.12

  

 Median (gday-1)

3.01

5.67

7.48

9.66

 Cases/controls

20/11725

16/11727

15/11731

25/11721

 Multivariate HR (95% CI)

1

0.89(0.43-1.83)

1.10(0.51-2.39)

1.92(0.84-4.41)

  1. HR (95%CI) for Cox proportional hazards regression model adjusted for energy and total fat intake, BMI, age, gender, marital status, residence, smoking, diabetes, physical activity, opium consumption, family history of cancer, ethnicity, wealth score and education
  2. aSFA Saturated fatty acids, MUFA Mono unsaturated fatty acids, PUFA Poly unsaturated fatty acids, TFA Trans fatty acids, n-3: Omega-3 fatty acids, n-6: Omega-6 fatty acids
  3. *Significant difference between quartiles (P<0.05)