| Level I | Good quality evidence |
Systematic review of RCTs with consistent findings High quality individual RCT |
| Level II |
Limited quality patient orientated evidence |
Systematic review of lower quality studies or studies with inconsistent findings Low quality clinical trial Cohort studies Case-control studies |
| Level III | Other |
Consensus guidelines, extrapolations from bench research, usual practice, opinion, disease-oriented evidence (intermediate or physiologic outcomes only), or case series |
[16] Management of gout: Dalbeth N, Reid S, Stamp LK, Arroll B. Making the right thing the easy thing to do: strategies to improve outcomes in gout. Lancet Rheumatology. October 01, 2019. 1:2:PE122-E131. DOI: https://doi.org/10.1016/S2665-9913(19)30004-9