Table 2.

Overview of the characteristics reported in the studies included by Lalu et al. in their meta-analysis of pre-clinical trials with mesenchymal stem cells (MSCs) for ischemic stroke.

Characteristics	Possible Variants	Number of Studies
Stroke model	permanent	34
	transient	34
	two arms	4
Animal species	rat	61
	mouse	9
	dog (Beagle)	1
	monkey (Macaca fascicularis)	1
Type of MSCs delivered	bone marrow-derived MSCs	62
	adipose tissue-derived MSCs	2
	umbilical cord- or placenta-derived MSCs	8
Delivery route	intracerebral	37
	intravenous	26
	intra-arterial	4
	intranasal	1
	mixed delivery routes	4