Notice how the introduction and subheadings provide background on the topic and describe way it's important. Some studies are grouped together that convey a similar idea. Limitations of some studies are addressed as a way of showing the significance of the research topic.
Systematic reviews address a clinical question. Reviews are gathered using a specific, defined set of criteria. Tips: Selection criteria is defined & the words "Systematic Review" may appear int he title or abstract
Meta-analysis is a study that combines data from OTHER studies. All the studies are combined to argue whether a clinical intervention is statistically significant by combining the results from the other studies. Tips: Meta-analysis will be part of a systematic review AND will include the words "meta analysis"
As you begin searching through the literature for evidence, you will come across different types of publications. Below are examples of the most common types and explanations of what they are. Although systematic reviews and meta-analysis are considered the highest quality of evidence, not every topic will have an Systematic Review or Metanalysis.