Salvianolic Acid Exerts Cardioprotection through Promoting Angiogenesis in Animal Models of Acute Myocardial Infarction: Preclinical Evidence

Table 2

Risk of bias of the included studies.

Study	A	B	C	D	E	F	G	H	I	J	Total
Lin et al. [25]	√	√	√			√			√	√	6
He et al. [26]	√	√	√			√			√		5
Li et al. [27]	√	√	√			√			√		5
Yang [28]	√		√			√				√	4
Fang [29]	√	√	√			√					4
Ma [30]	√		√			√				√	4
Li [31]	√		√			√				√	4
Wang [32]	√		√			√					3
Liu [33]	√		√			√					3
Chen [34]	√		√			√					3
Fan [35]	√		√			√					3
Ye [36]	√		√			√					3
Pang [37]	√		√			√					3
Guo et al. [38]	√		√							√	3

Note: Studies fulfilling the criteria of: A: peer reviewed publication; B: control of temperature; C: random allocation to treatment or control; D: blinded induction of model; E: blinded assessment of outcome; F: use of anesthetic without significant intrinsic vascular protection activity; G: appropriate animal model (aged, diabetic, or hypertensive); H: sample size calculation; I: compliance with animal welfare regulations; J: statement of potential conflict of interests.