Table 7.

Correlation between duration of diabetes and altered aqueous cytokines/ chemokines/growth factors in patients with type 2 diabetes

	Cytokines/chemokines/growth factors	Correlation coefficients	P
Duration	IL-6	0.350	<0.001*
	IL-8	0.563	<0.001*
	IP-10	0.444	<0.001*
	LIF	0.578	<0.001*
	HGF	0.435	<0.001*
	VEGF-A	0.324	<0.001*
	IL-1α	−0.341	<0.001*
	IL-4	−0.383	<0.001*
	IL-9	−0.364	<0.001*
	IL-21	−0.342	<0.001*
	IL-23	−0.324	<0.001*
	IL-27	−0.329	<0.001*
	IL-31	−0.434	<0.001*
	TNF-β	−0.318	<0.001*
	IFN-α	−0.203	0.013*
	GROα	−0.448	<0.001*
	RANTES	−0.296	<0.001*

IL interleukin, IP interferon inducibleprotein, LIF leukaemia inhibitor factor, HGF hepatocyte growth factor, VEGF vascular endothelial growth factor, TNF tumour necrosis factor, IFNγ interferon-γ, GRO growth regulated oncogene, RANTES regulated upon activation, normal T cell expressed and presumably secreted

Data are expressed as the mean ± SD (pg/ml)

^* p < 0.05