Table 2 Quality assessment of included... | American Society of Hematology

Table 2

Quality assessment of included studies

Reference	Random sequence generation	Allocation concealment	Blinding of participant/personnel	Blinding of outcome assessors	Incomplete outcome data	Selective reporting	Other bias
16	+	+	+	?	?	+	+
22	+	+	+	?	?	+	+
17	+	+	+	?	+	+	+
15	+	+	+	?	+	+	+
23	+	+	+	?	+	+	+
24	+	+	+	+	+	+	+
25	+	+	+	+	+	+	+
26	+	+	+	?	+	+	+

Reference	Random sequence generation	Allocation concealment	Blinding of participant/personnel	Blinding of outcome assessors	Incomplete outcome data	Selective reporting	Other bias
16	+	+	+	?	?	+	+
22	+	+	+	?	?	+	+
17	+	+	+	?	+	+	+
15	+	+	+	?	+	+	+
23	+	+	+	?	+	+	+
24	+	+	+	+	+	+	+
25	+	+	+	+	+	+	+
26	+	+	+	?	+	+	+

+, Low risk of bias; ?, unclear risk of bias.