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Table 6 Comparison of FA composition and cheek cell correlation of the present study with relevant literature

From: Cheek cell fatty acids reflect n-3 PUFA in blood fractions during linseed oil supplementation: a controlled human intervention study

  Cheek cell FA composition Cheek cell FA correlation
Reference Connor et al.(2000)[20] Staps and Kuhnt (2010)[unpublished] Klingler et al.(2013)[11] Present study Klingler et al.(2013)[11] Present study
Study group Control group Total subjects; baseline values Total subjects; baseline values Total subjects; baseline values Total subjects; baseline values Total subjects; baseline values
Subjects Infants Adults Adults Adults Adults Adults
(n = 8) (n = 4) (n = 13) (n = 38) (n = 13) (n = 38)
Lipid class Phospholipids Total lipids Glycerophospholipids Total lipids Glycerophospholipids Total lipids
  % FAME % FAME mol% % FAME r 1 Plasma r 1 RBC r 1 Plasma r 1 RBC
SFA         
 C16:0 14.5 15.6 16.6 17.1 0.64* 0.32 -0.08 -0.10
 C18:0 12.3 11.4 15.3 16.5 0.70** 0.33 0.04 -0.16
n-9 MUFA         
 C18:1n-9 (OA) 25.8 28.9 30.1 26.7 0.40 0.10 0.34* 0.06
n-6 PUFA         
 C18:2n-6 (LA) 16.5 18.4 17.3 17.1 -0.04 -0.05 -0.59 0.21
 C20:4n-6 (AA) 2.00 4.37 3.20 3.32 0.65** 0.17 0.54*** 0.54***
 C22:5n- 6 1.00 0.12 0.07 0.06 0.78*** 0.70** 0.52*** 0.58***
n-3 PUFA         
 C18:3n-3 (ALA) 0.40 0.23 0.24 0.29 0.11 0.13 0.17 0.06
 C20:5n-3 (EPA) 0.10 0.55 0.21 0.22 0.66 0.79** 0.81*** 0.82***
 C22:5n-3 (DPA) 0.20 0.43 0.23 0.22 0.85 0.39 0.73*** 0.67***
 C22:6n-3 (DHA) 0.40 1.07 0.69 0.79 0.76*** 0.88*** 0.68*** 0.64***
  1. 1r Pearson's correlation coefficient; *P ≤ 0.05, **P ≤ 0.01, ***P ≤ 0.001.