Table 3.

Correlations between human sera’s growth factors and molecules.

	EGF	HGF	FGFb	KGF	PDGF-AB	TGF-β	VEGF	Fibronectin	IFN-γ	TNF-α	NGF	IGF-1	GDNF	SP
EGF		100% ***	80% **	100% ***		60% *			95% ***
HGF	100% ***		80% **	100% ***		60% *			95% ***
FGFb	80% **	80% **		80% **	−80% **					−60% *			80% **	60% *
KGF	100% ***	100% ***	80% **			60% *			95% ***
PDGF-AB			−80% p = 0.002							80% **			−100% ***	−80% **
TGF-β	60% *	60% *		60% *					0.74% **	80% **				−80% **
VEGF								80% **			−60% *	−100% ***
Fibronectin							80% **				−80% **	−80% **
IFN-γ	95% ***	95% ***		95% ***		0.74% ***					−63% *
TNF-α			−60% *		80% **	80% **							−80% **	−100% ***
NGF							−60% *	−80% p = 0.002	−63% *			60% *		−63% *
IGF-1							−100% *	−80% p = 0.002			60% *
GDNF			80% **		−100% ***					−80% **				80% **
SP			60% *		−80% **	−80% **				−100% ***	−63% *		80% **

* Statistically significant correlations (* p < 0.05; ** p < 0.01; *** p < 0.001).