Higher serum S100B and BDNF levels are correlated with a lower pressure-pain threshold in fibromyalgia

Molecular Pain

Table 3 Multivariate linear regression model of the association between serum BDNF, S100B and clinical parameters, including the pressure-pain threshold (n = 56)

Dependent variable	Type III sum of squares	df	Mean square	F	P	Partial eta squared
BDNF (log)	4.369	3	1.456	7.855	0.001	0.339
S100B (log)	3.098	3	1.033	3.583	0.021	0.189
Dependent variable		β	SEM	t	P	Partial eta squared
BDNF ( *log* )
Intercept		5.54	0.43	12.77	<0.001	0.760
PPT (log)		-1.01	0.41	-2.62	0.012	0.129
Age		-0.02	0.15	-2.31	0.025	0.104
Obsessive compulsive disorder		-0.36	0.15	-2.42	0.019	0.113
S100B ( *log* )
Intercept		3.66	0.37	9.89	<0.001	0.189
PPT (log)		-1.38	0.50	-2.78	0.008	0.105

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