Numbers of adequately powered studies (≥50% power) and median power within each meta-analysis (MA) with respect to a 30% relative risk reduction (<i>RRR30</i>), overall and by medical specialty, outcome type and intervention-comparison type.

Abstract

1<p>Other medical specialties: Blood and immune system, Ear and nose, Eye, General health, Genetic disorders, Injuries, accidents and wounds, Mouth and dental, Skin.</p>2<p>Other semi-objective outcomes: External structure, Internal structure, Surgical/device related success/failure, Withdrawals/drop-outs.</p>3<p>Other subjective outcomes: Pain, Mental health outcomes, Quality of life/functioning, Consumption, Satisfaction with care, Composite (at least 1 non-mortality/morbidity).</p>4<p>Non-pharmacological interventions include interventions classified as medical devices, surgical, complex, resources and infrastructure, behavioural, psychological, physical, complementary, educational, radiotherapy, vaccines, cellular and gene, screening.</p