Table 4. Plasma levels of angiogenic and angiostatic factors according to collateralization.

	Rentrop 0(n = 68)		Rentrop 1(n = 28)		Rentrop 2(n = 34)		Rentrop 3(n = 26)		p value
	Medianpg/ml	IQR§	Medianpg/ml	IQR§	Medianpg/ml	IQR§	Medianpg/ml	IQR§
Angiogenic
CXCL1	6358	1674–0017	2798	1386–7429	6702	1276–15147	24966	10206–138085	<0.0001
CXCL3	667	235–1503	1045	679–1950	960	345–1394	876	381–1384	0.278
CXCL5	6542	4538–9431	7821	4251–13609	8517	5058–14425	9247	5081–21997	0.272
CXCL8	1120	468–2722	2095	759–3642	1190	679–2212	1024	420–2845	0.398
CXCL12	2234	1888–10176	9989	2234–11274	2353	2043–9640	2107	1991–3099	0.022
CCL2	80	40–168	152	83–486	90	22–156	39	27–95	0.0002
VEGF*	1565	660–2579	1947	1266–3710	1428	262–2450	761	0–1700	0.008
bFGF†	0	0–1170	0	0–10990	0	0–4177	52	0–4820	0.555
Angiostatic
CXCL9	4905	1005–22397	17381	8951–37874	5394	848–9150	392	0–3019	<0.0001
CXCL10	1375	737–2251	1664	1324–3692	1232	795–1967	722	580–2008	0.002
CXCL11	6085	3568–9169	7710	5664–11733	5349	3252–8558	3155	2455–6011	0.0002
IFN-γ‡	311	147–565	552	371–1204	290	154–512	189	92–431	0.0004

*VEGF =  vascular endothelial growth factor, †bFGF =  basic fibroblast growth factor, ^‡IFN =  interferon, ^§IQR = inter-quartile range.