Table 2.

Correlation between numbers of cerebral microbleeds and arterial pulsatility.

	Total CMB numbers	Deep or infratentorial CMB numbers	Lobar CMB numbers
PI of ICAs
Spearman correlation	0.183	0.154	0.127
p value	<0.001	<0.001	0.001
PI of VAs
Spearman correlation	0.128	0.093	0.107
p value	0.001	0.016	0.006

CMB, cerebral microbleeds; PI, pulsatility index; ICA, internal carotid artery; VA, vertebral artery.