Table 2.

Pearson correlations of log-transformed biomarkers with PCL-M and RPQ scores.

		Scales
		PCL-M	Total RPQ	RPQ-3	RPQ-13
Serum TNFα	Pearson correlation	−0.103	0.209	0.137	0.205
	Sig. (2-tailed)	0.666	0.390	0.575	0.400
	N	20	19	19	19
Serum IL-6	Pearson correlation	−0.015	0.085	0.184	0.059
	Sig. (2-tailed)	0.949	0.728	0.451	0.809
	N	20	19	19	19
Serum IL-10	Pearson correlation	−0.144	−0.403	−0.115	−0.423
	Sig. (2-tailed)	0.556	0.097	0.649	0.080
	N	19	18	18	18
Serum IL-6/IL-10	Pearson correlation	0.140	0.526*	0.339	0.515*
	Sig. (2-tailed)	0.566	0.025	0.168	0.029
	N	19	18	18	18
Neuronal-derived EV TNFα	Pearson correlation	0.097	−0.213	−0.126	−0.216
	Sig. (2-tailed)	0.720	0.446	0.655	0.439
	N	16	15	15	15
Neuronal-derived EV IL-6	Pearson correlation	0.135	0.227	−0.010	0.249
	Sig. (2-tailed)	0.593	0.382	0.968	0.335
	N	18	17	17	17
Neuronal-derived EV IL-10	Pearson correlation	−0.149	−0.478	−0.378	−0.461
	Sig. (2-tailed)	0.556	0.052	0.134	0.063
	N	18	17	17	17
Neuronal-derived EV IL-6/IL-10	Pearson correlation	0.205	0.585*	0.346	0.580*
	Sig. (2-tailed)	0.445	0.022	0.207	0.023
	N	16	15	15	15

^*indicates significant correlation (2-tailed).