Mesenchymal stem cells-derived therapies for subarachnoid hemorrhage in preclinical rodent models: a meta-analysis

Table 2 Methodological quality of nine studies included in the meta-analysis

Study	(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)	(10)	Total
Chen [21]	√		√		√	√	√	√	√	√	8
Gao [22]	√		√	√	√	√	√	√		√	8
Han [12]	√		√		√	√	√	√		√	7
Lai [14]	√				√	√	√	√		√	6
Liu [23]	√		√		√	√	√	√		√	7
Liu [24]	√		√			√		√		√	5
Nijboer [13]	√	√	√	√	√	√	√	√	√	√	10
Xiong [25]	√		√		√	√	√	√	√	√	8
Zhao [26]	√		√			√	√	√		√	6

(1) peer-reviewed publication; (2) sample size calculation; (3) randomized treatment allocation; (4) blinded induction of SAH; (5) blinded assessment of outcome; (6) suitable animal models; (7) use of anesthetic without marked intrinsic neuroprotective activity; (8) compliance with animal welfare regulations; (9) statements describing temperature control; (10) declarations of potential conflicts of interest

ISSN: 1757-6512