TY  -  
T1  - Subgroup analyses in randomised controlled trials: cohort study on trial protocols and journal publications 
SN  -  /  
UR  - http://hdl.handle.net/10138/304999 
T3  -  
A1  - DISCO Study Grp; Kasenda, Benjamin; Schandelmaier, Stefan; Sun, Xin; Tikkinen, Kari; Briel, Matthias 
A2  -  
PB  -  
Y1  - 2014 
LA  - eng 
AB  - OBJECTIVE: To investigate the planning of subgroup analyses in protocols of randomised controlled trials and the agreement with corresponding full journal publications. DESIGN: Cohort of protocols of randomised controlled trial and subsequent full journal publications. SETTING: Six research ethics committees in Switzerland, Germany, and Canada. DATA SOURCES: 894 protocols of randomised controlled trial involving patients approved by participating research ethics committees between 2000 and 2003 ... 
VO  -  
IS  -  
SP  -  
OP  -  
KW  - 3142 Public health care science, environmental and occupational health; trial protocols; Randomised controlled trials 
N1  -   
PP  -  
ER  -