Table 2 NHMRC Hierarchy of evidence
Level of evidence | Study design |
|---|---|
I* | A systematic review of level II studies |
II | A randomised controlled trial |
III-1 | A pseudorandomised controlled trial |
III-2 | A comparative study with concurrent controls |
III-3 | A comparative study without concurrent controls |
IV | Case series with either post-test or pre-test/post-test outcomes |