Evidence-Based Complementary and Alternative Medicine / 2018 / Article / Tab 1

Review Article

Effects of Dance on Pain in Patients with Fibromyalgia: A Systematic Review and Meta-Analysis

Table 1

Risk of bias and level of evidence.

ValidityExternalInternalStatisticsPEDro ScoreLevel of Evidence


Bojner-Horwitz, E. et al 20033B
Bojner – Horwitz, E. et al 20068B
Carbonell-Baeza, A. et al 20105B
Lopez- Rodriguez, M.M. et al 20125B
Carbonell-Baeza, A. el al 20125B
Baptista, A.S. et al 20128B
Lopez- Rodriguez, M.M. et al 20137B

✓: criteria fulfilled; 1: the election criteria were specified; 2: the subjects were randomly assigned to the groups (in a cross-over study, the subjects were randomly distributed as they received the treatments); 3: the assignment was hidden; 4: the groups were similar at the beginning in relation to the most important prognostic indicator; 5: all subjects were blinded; 6: all the therapists who administered the therapy were blinded; 7: all evaluators who measured at least one key result were blinded; 8: the measurements of at least one of the key results were obtained from more than 85% of the subjects initially assigned to the groups; 9: results were presented for all subjects who received treatment or were assigned to the control group, or when this could not be, the data for at least one key result were analyzed by “intention to treat”; 10: the results of statistical comparisons between groups were informed for at least one key result; 11: the study provides punctual and variability measures for at least one key outcome; score: each criterion met (except the first) adds 1 point; B: level of evidence from randomized studies but without double blindness,

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