Differences between the two reviewers were
resolved by reexamination of the original article until
consensus was obtained. The Jadad Scale was used to
assess the quality of the RCTs.5 It includes five criteria:
Is the study randomized? Is the study double blinded? Is
there a description of withdrawals (patients that
dropped out of study)? Is the randomization adequately
described? Is the method for blindness adequately
described?
These items elicit “yes” or “no” answers, such that
each study was scored from 0 to 5.