|
Author, year
|
Sequence generation
|
Allocation concealment
|
Blinding of participants, personnel and outcome assessors
|
Incomplete outcome data
|
Selective outcome reporting
|
Other sources of bias
|
|---|
|
Annunziato 2015
|
-
|
-
|
-
|
?
|
?
|
?
|
|
Breu-Dejean 2016
|
+
|
+
|
-
|
?
|
?
|
?
|
|
Chisholm 2001
|
?
|
?
|
-
|
?
|
?
|
?
|
|
Chisholm 2013
|
+
|
?
|
-
|
+
|
?
|
?
|
|
De Geest 2006
|
+
|
+
|
-
|
+
|
?
|
?
|
|
Fennell 1994
|
?
|
?
|
-
|
?
|
?
|
?
|
|
Garcia 2015
|
+
|
+
|
-
|
?
|
?
|
?
|
|
Henriksson 2016
|
?
|
+
|
-
|
?
|
?
|
?
|
|
Hardstaff 2003
|
?
|
?
|
-
|
-
|
?
|
?
|
|
Joost 2014
|
-
|
-
|
-
|
?
|
?
|
?
|
|
Russel 2011
|
+
|
+
|
-
|
+
|
?
|
?
|
|
Tschida 2013
|
-
|
-
|
-
|
?
|
?
|
?
|
-
+ low risk of bias, - high risk of bias, ? unclear risk of bias
