Studies that meet the criteria of the PEDro scale.

Note. A "1" indicates that a study met that particular criterion, a "0" indicates that a study did not meet that criterion or that not enough information was given to make an assessment. C1  =  Eligibility criteria were specified; C2  =  Participants were randomly allocated to groups; C3  =  Treatment allocation was concealed; C4  =  Groups were similar at baseline; C5  =  Blinding of participants; C6  =  Blinding of therapists administering treatment; C7  =  Blinding of assessors for outcome measures; C8  =  Measurement of key outcome from >85% of participants; C9  =  Intention to treat analysis; C10  =  Between-groups statistical comparison is reported for key outcome; C11  =  Measures of central tendency and variability are provided. As per PEDro guidelines, the "total" score is based on C2 through C11.