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Table 1 Methodological quality of the studies included in the systematic review (PEDro scores)

From: Neuromuscular electrical stimulation for preventing skeletal-muscle weakness and wasting in critically ill patients: a systematic review

  Abdellaoui et al.2011 [42] Gerovasili et al. 2009 [25] Gruther et al.2010 [43] Karatzanos et al.2012 [34] Poulsen et al.2011 [44] Rodríguez et al.2011 [45] Routsi et al.2010 [35] Zanotti et al.2003 [46]
Random allocation ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓
Concealed allocation ✓      ✓   
Baseline comparability ✓ ✓ ✓   ✓ ✓   ✓
Blinded subjects ✓   ✓      
Blinded therapists         
Blinded assessors   ✓ ✓   ✓ ✓   
Follow-up ✓     ✓ ✓   
Intention-to-treat     ✓   ✓ ✓  
Between-group analysis ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓
Point estimates and variability ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓
Total score 7/10 5/10 6/10 4/10 6/10 8/10 4/10 4/10
  1. PEDro, Physiotherapy Evidence Database.
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