Programmed Cell Death-1/Programmed Death-Ligand 1 Blockade Improves Survival of Animals with Sepsis: A Systematic Review and Meta-Analysis

Table 2

Quality assessment of included studies.

Study/author	1	2	3	4	5	6	7	8	9	10	score
Brahmamdam et al.	+	-	+	-	+	-	-	-	-	-	3
Zhang et al.	+	-	-	-	+	+	-	-	-	-	3
Chang et al.	+	-	-	-	+	-	-	-	-	-	2
Shindo et al.	+	-	-	-	+	+	-	-	-	-	3