Author
|
Year
|
Allocation
|
Concealment
|
Blinding
|
Outcome data addressed
|
Selective outcome reporting
|
Other bias
|
ITT analysis
|
---|
Skyring A [27]
|
1965
|
no
|
yes
|
yes
|
no
|
no
|
no
|
no
|
Ryall RJ [28]
|
1966
|
no
|
no
|
no
|
no
|
no
|
no
|
no
|
Trapnell JE [29]
|
1967
|
no
|
yes
|
yes
|
no
|
no
|
no
|
no
|
Bachrach WH [31]
|
1968
|
no
|
yes
|
yes
|
no
|
no
|
no
|
no
|
Möller C [32]
|
1969
|
no
|
no
|
no
|
no
|
no
|
no
|
no
|
Baden H [33]
|
1969
|
no
|
yes
|
yes
|
no
|
no
|
no
|
no
|
Trapnell JE [34]
|
1974
|
no
|
yes
|
yes
|
no
|
no
|
no
|
no
|
MRC Multicenter Trial [35]
|
1977
|
no
|
yes
|
yes
|
no
|
no
|
no
|
no
|
Gauthier A [36]
|
1978
|
no
|
yes
|
yes
|
no
|
yes
|
no
|
no
|
Imrie CW [37]
|
1978
|
no
|
yes
|
yes
|
no
|
no
|
no
|
no
|
MRC Multicenter Trial [41]
|
1980
|
no
|
yes
|
yes
|
no
|
yes
|
no
|
no
|
Freise J [42]
|
1986
|
no
|
yes
|
yes
|
no
|
no
|
no
|
no
|
Yang CY [43]
|
1987
|
no
|
no
|
no
|
no
|
no
|
no
|
no
|
Goebell H [44]
|
1988
|
no
|
yes
|
yes
|
yes
|
no
|
no
|
no
|
Valderrama R [46]
|
1992
|
yes
|
yes
|
yes
|
yes
|
no
|
no
|
no
|
Büchler M [47]
|
1993
|
yes
|
yes
|
yes
|
yes
|
yes
|
no
|
yes
|
Chen HM [49]
|
2000
|
no
|
no
|
no
|
no
|
yes
|
no
|
no
|
-
RCT randomozed controlled trial; ITT intension to treat.