Table 4.

Immunohistochemical analysis of C–X–C chemokine ligand 2 (CXCL2) and interleukin-1 alpha (IL1A) protein expression in AV shunt and control vein (Co) cross sections

Group	Mean integrated density, µm2 × pixel (SEM) Endothelium		P (vs. Co) CXCL2	P (vs. POD 5) CXCL2	P (vs. POD 10) CXCL2	P (vs. POD 15) CXCL2
	CXCL2	IL1A	IL1A	IL1A	IL1A	IL1A
Co	5173 (351)	2987 (331)		0.0005	10−5	9 × 10−15
				0.02	0.003	6 × 10−6
POD 5	7838 (559)	5186 (501)	0.0005		0.01	0.03
			0.02		0.21	0.0003
POD 10	6473 (265)	4590 (207)	10−5	0.01		7 × 10−10
			0.003	0.21		10−10
POD 15	9251 (345)	7606 (400)	9 × 10−15	0.03	7 × 10−10
			6 × 10−6	0.0003	10−10

POD postoperative day, SEM standard error of the mean