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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.