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Table 1 Correlations between the normalized concentration (Mol%) of serum lipid species with OA severity and synovitis

From: Transgenic conversion of ω-6 to ω-3 polyunsaturated fatty acids via fat-1 reduces the severity of post-traumatic osteoarthritis

 

Male

Female

Predictor variables

OA

Synovitis

OA

Synovitis

r

r

r

r

SFAs

Myristic acid

− 0.20

− 0.23

0.13

0.17

Pentadecylic acid

− 0.09

− 0.18

0.12

0.11

Palmitic acid

0.18

− 0.01

− 0.10

0.09

Stearic acid

− 0.25

− 0.02

− 0.06

− 0.16

Docosanoic acid

0.00

0.45*

0.22

0.02

MUFAs

Myristoleic acid

− 0.21

− 0.30

0.08

0.14

Palmitoleic acid

0.19

− 0.15

− 0.04

0.18

Oleic acid

0.10

− 0.14

− 0.03

0.15

Eicosenoic acid

− 0.16

− 0.07

− 0.09

0.15

Nervonic acid

0.02

− 0.41*

0.09

− 0.02

ω-6 FAs

Linoleic acid

− 0.27

0.14

0.14

− 0.16

γ-Linolenic acid

0.51**

0.18

0.04

− 0.27

Eicosadienoic acid

0.11

0.23

0.12

0.01

Arachidonic acid

0.12

0.07

− 0.02

0.02

Osbond acid

0.56**

− 0.09

− 0.08

0.22

ω-3 FAs

α-Linolenic acid

− 0.13

− 0.22

0.05

− 0.06

Stearidonic acid

− 0.14

− 0.29

− 0.12

− 0.01

ETA

− 0.11

0.20

0.10

0.13

EPA

− 0.39*

− 0.12

− 0.03

− 0.32*

DPA

− 0.09

− 0.42*

− 0.15

− 0.20

DHA

− 0.06

0.04

− 0.02

− 0.10

ω-6/ω-3 FA ratio

0.09

0.14

0.12

0.1

  1. ETA eicosatetraenoic acid, EPA eicosapentaenoic acid, DPA all-cis-7,10,13,16,19-docosapentaenoic acid, DHA docosahexaenoic acid. p values less than 0.05 are shown in bold. *p < 0.05; **p < 0.01