Example: In adults suffering from depression (P), how does St. John's Wort (I) effect depression symptoms (O) compared to SSRIs (C) [within six months (T)]?
When utilizing PICOT to search for literature, it is also important to discern whether what you find is the best available evidence to answer the clinical question that you develop. The strength of a study is determined by the level and quality of evidence. There are multiple tools available to assist you in assessing evidence for level and quality.