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Table 3 Pearson correlations between diet and RBC fatty acid composition for the 2 dietary treatments (r values)

From: Assessment of erythrocyte phospholipid fatty acid composition as a biomarker for dietary MUFA, PUFA or saturated fatty acid intake in a controlled cross-over intervention trial

  High SFA High USFA
Fatty acid day 1 day 7 day 14 day 21 day 1 day 7 day 14 day 21
SFA         
C12:0 0.251 0.161 0.101 0.141 0.100 0.140 0.040 0.001
C14:0 0.497* 0.231 0.179 0.075 0.248 0.330 0.163 0.145
C15:0 0.180 0.390* 0.121 0.265 0.336 0.106 0.036 0.026
C16:0 0.143 0.169 0.134 0.193 0.356 0.238 0.054 0.251
C17:0 0.229 0.062 0.200 0.226 0.391* 0.101 0.053 0.061
C18:0 0.200 0.101 0.339 0.124 0.213 0.351 0.379* 0.326
MUFA         
C18:1 0.386* 0.157 0.412* 0.226 0.008 0.218 0.336 0.421*
PUFA         
C18:2 0.315 0.319 0.509* 0.223 0.237 0.278 0.260 0.304
C18:3 0.262 0.143 0.313 0.218 0.028 0.169 0.121 0.155
C20:4 0.078 0.114 0.144 0.038 0.014 0.191 0.202 0.130
C20:5 0.197 0.419* 0.473* 0.487* 0.257 0.223 0.243 0.167
C22:6 0.373* 0.447* 0.433* 0.369* 0.408* 0.480* 0.491* 0.394*
  1. SFA, saturated fatty acid; USFA, unsaturated fatty acid; MUFA, monounsaturated fatty acid; PUFA, polyunsaturated fatty acid; *P < 0.05