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Table 4 Risk of bias in 7 randomized controlled trials comparing collaborative care for adult patients with anxiety disorders to usual primary care

From: Collaborative care for anxiety disorders in primary care: a systematic review and meta-analysis

  Adequate Sequence Generation? Allocation concealed? Patients blinded? Professionals blinded? Outcome assessors blinded? Incomplete outcome data addressed? Free of selective reporting? Free of other bias
Roy-Byrne et al. 2001 + ? ? ? + ? ? ?
Roy-Byrne et al. 2005 ? + + + ? +
Rollman et al. 2005 + + + + ? +
König et al. 2009 + + ? + ? +
Roy–Byrne et al. 2010 + + ? + + + +
Oosterbaan et al. 2013 + + + + + +
Muntingh et al. 2014 + + + + + +