Table 3.

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

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

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]

***P < 0.001, **P < 0.01, *P < 0.05, otherwise not significant