Table 3.

Relationship between cytokine concentrations and the five syndrome scores

Cytokine	Anxiety/somatization		Weight		Cognitive disturbance		Retardation		Sleep disturbance
r	P	r	P	r	P	r	P	r	P
IL-1β	-0.111	0.477	-0.108	0.491	0.034	0.828	0.186	0.233	0.069	0.662
IL-6	-0.15	0.337	0.024	0.877	0.095	0.543	0.038	0.811	0.329	0.031a
TNFα	-0.164	0.293	0.071	0.651	0.115	0.464	0.108	0.492	0.184	0.237
IFN-α2	-0.011	0.944	-2.1	0.177	-0.22	0.89	0.344	0.024a	0.118	0.451
IFN-γ	-0.077	0.624	0.081	0.606	0.029	0.853	-0.069	0.658	0.054	0.73

Notes: ^aP<0.05; r, Spearman correlation coefficient.

Abbreviations: IL, interleukin; TNF, tumor necrosis factor; IFN, interferon.