. Author manuscript; available in PMC: 2019 Jan 3.

Published in final edited form as: J Neurosurg. 2018 Dec 1;129(6):1464–1474. doi: 10.3171/2017.6.JNS17860

TABLE 2.

Pericyte abundance and coverage values in NVLCs and bAVMs

Parameter	NVLCs	AVMs			p Value^*
Parameter	NVLCs	Total	Unruptured	Ruptured	p Value^*
Pericyte no.
PDGFRβ-positive pericytes (per mm² endothelium)	2658.1 ± 174.8	845.6 ± 47.9^†	844.9 ± 63.8	842.8 ± 77.4	0.99
CD13-positive pericytes (per mm² endothelium)	2657.0 ± 140.7	862.2 ± 61.4^†	832.3 ± 71.7	907.1 ± 114.1	0.59
Pericyte coverage
% PDGFRβ-positive pericyte coverage	81.3 ± 2.3	40.6 ± 2.5^†	44.3 ± 3.6	35.1 ± 2.0	0.04
% CD13-positive pericyte coverage	82.7 ± 2.1	39.4 ± 2.8^†	43.9 ± 3.2	32.6 ± 3.4	0.03

Boldface type indicates statistical significance.

Unruptured compared with ruptured AVMs.

^†

All values statistically significant with p < 0.01 when NVLCs are compared with total AVMs.