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Table 2 Quality assessment of included literatures

From: Effect of rTMS on Parkinson’s cognitive function: a systematic review and meta-analysis

Study Randomization Blinding Dropout Description of basic features Control study Adverse events
Boggio 2005 [30] yes double 0 yes yes 0
Cardoso 2008 [31] yes double 0 yes yes yesa
Epstein 2007 [32] unclear unclear 2 yes no 0
Benninger 2009 [33] unclear unclear 1 yes no 0
Toshiaki 2009 [34] yes unclear 0 yes no 0
Sedlkov 2009 [35] yes single 0 yes yes 0
Pal 2010 [36] yes double 0 yes yes yesa
Kimura 2011 [37] unclear double 0 yes yes 0
Srovnalova 2011 [18] yes single 0 yes yes 2
Srovnalova 2012 [38] yes single 0 yes yes 2
Chang 2017 [39] yes double 0 yes yes yesa
Dagan 2017 [40] yes single 2 yes yes yesa
Buard 2018 [28] yes double 2 yes yes yesa
Cohen 2018 [27] yes double 0 yes yes yesa
  1. yesa = Unclear the exact number