Background Evidence-based medicine relies on current best evidence from the medical
literature, the patient's history, and the clinician's own experience to provide the best care for
patients. Systematic reviews and meta-analysis are considered the highest levels of
evidence for informing clinical decisions. Recently, reports have shown an increase in the
number but a decrease in quality of meta-analysis publications. We reviewed publication
trends and determined the countries with the most journal articles and types of publications …