The Activation of the Mirror Neuron System during Action Observation and Action Execution with Mirror Visual Feedback in Stroke: A Systematic Review

Table 4

Methodological assessment of included studies using the PEDro scale.

Criterion	Ertelt et al. [22]	Michielsen et al. [52]	Bae et al. [45]	Sun et al. [28]
Eligibility criteria	Yes	Yes	No	Yes
Random allocation	1	1	1	1
Concealed allocation	0	1	0	0
Baseline comparability	1	1	1	1
Blind subjects	0	0	0	0
Blind therapists	0	0	0	0
Blind assessors	0	1	0	1
Adequate follow-up	1	1	0	1
Intention-to-treat analysis	0	1	0	1
Between group comparisons	1	1	1	1
Point estimates and variability	1	1	1	1
Total scores	5	8	4	7

The PEDro scores were taken from the PEDro website, except Ertelt et al. [22] and Sun et al. [28], which were rated by our team.