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Table 3 Spearman’s zero- and first-order Spearman rank correlation coefficients between the pain scores and the plasma lipid concentrations

From: Association between plasma concentrations of linoleic acid-derived oxylipins and the perceived pain scores in an exploratory study in women with chronic neck pain

Parameter: NRSday NRSday NRSday NRSweek Pain duration
Pain Group: NP CWP NP + CWP NP + CWP NP + CWP
Controlling for: - time BMI - - - -
N: 35 31 34 15 50 50 48
2-AG 0.05 0.06 0.14 −0.43 −0.10 −0.08 0.07
AEA 0.16 0.13 0.23 0.14 0.11 0.22 −0.05
PEA −0.03 0.03 −0.01 0.21 0.01 0.12 −0.10
SEA 0.14 0.23 0.18 0.12 0.13 0.05 −0.07
OEA 0.20 0.23 0.16 0.39 0.25 0.16 −0.10
LEA 0.08 0.14 0.05 0.15 0.11 0.23 −0.17
9-HODE 0.51** 0.49** 0.56*** 0.28 0.43** 0.06 0.06
13-HODE 0.53** 0.54** 0.54** 0.13 0.35* −0.01 −0.12
9,10-DiHOME 0.34* 0.33 0.30 −0.13 0.11 0.06 −0.19
12,13-DiHOME 0.36* 0.34 0.33 −0.10 0.13 0.07 −0.16
9,10,13-TriHOME 0.09 0.06 0.05 0.32 0.13 −0.10 −0.08
9,12,13-TriHOME 0.22 0.14 0.20 0.16 0.19 −0.08 0.01
13-oxo-ODE 0.40* 0.38* 0.46** −0.08 0.23 0.05 −0.15
5-HETE 0.00 −0.06 0.04 −0.14 −0.03 0.02 0.08
8,9-DiHETrE 0.15 0.11 0.18 0.15 0.12 0.09 −0.01
  1. Zero-order correlations are shown where the symbol “-“is given in the row “Controlling for”. First-order correlations controlling for the exact time of day of sampling or for BM were calculated according to the method of Lehmann [33]
  2. ***P < 0.001, **P < 0.01, *P < 0.05, otherwise not significant