The AHRQ report [13] suffered from severe limitations associated with data collection,
analytic, and reporting procedures [25]. The review methodology failed to use study design
factors that have shown to bias results in behavioral trials of hypertension. The adequacy of
baseline BP measurement protocols and the quality and adequacy of controls were ignored.
Most of the trials in the AHRQ report compared meditation practices to untreated or waitlist
controls. Relevant trials on adolescents and youth were not incorporated [34,35