There are different methods for compiling your results, depending on your research question and as the type of data that the literature searches generate. In a systematic review, the results are often combined through a statistical meta-analysis. If, on the other hand, you work with qualitative data or prefer to shed light on trends and patterns, the results can be compiled with a narrative synthesis. A narrative synthesis can roughly be described as a compilation of findings from different studies which are primarily based on words and text and not statistical calculations.
Would you like to read more about what type of compilation is best suited for your research question? The following are some reading suggestions to introduce you to some of the most common approaches: