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Table 1 Risk of bias assessment of included randomized and quasi-randomized controlled trials

From: Constraint-induced movement therapy: trial sequential analysis applied to Cochrane collaboration systematic review results

Trial Sequence generation Allocation concealment Blinding of assessors Lower or high risk of bias
Atteya et al. [41] Inadequate Unclear Adequate Highb
Dahl et al. [48] Adequate Unclear Adequate High
Dromerick et al. [52] Adequate Unclear Adequate High
Dromerick et al. [42] Inadequate Unclear Adequate High
Hammer and Lindmark [53] Adequate Unclear Inadequate High
Lin et al. [47] Adequate Adequate Adequate Lowera
Lin et al. [46] Adequate Adequate Adequate Lower
Myint et al. [45] Adequate Adequate Adequate Lower
Page et al. [43] Inadequate Unclear Adequate High
Page et al. [55] Adequate Unclear Adequate High
Page et al. [54] Adequate Unclear Adequate High
Ploughman and Corbett [49] Adequate Unclear Adequate High
Wu et al. [44] Inadequate Unclear Adequate High
Wu et al. [50] Adequate Unclear Adequate High
  1. aLower risk of bias when the domains sequence generation, concealment of allocation, and blinding of assessors were adequate.
  2. bHigh risk of bias when one or more of these domains were judged as inadequate or the reporting was unclear.