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Table 2 Results of the risk of bias assessment

From: Interventions to increase adherence in patients taking immunosuppressive drugs after kidney transplantation: a systematic review of controlled trials

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 - - - ? ? ?
  1. + low risk of bias, - high risk of bias, ? unclear risk of bias