Table 1 NHMRC grading of evidence levels for aetiology
From: Biomechanical risk factors associated with iliotibial band syndrome in runners: a systematic review
Evidence level | Study design |
|---|---|
I | Systematic review of prospective cohort studies |
II | One prospective cohort study |
III | One retrospective cohort study |
IV | A case control study |
V | A cross-sectional study or case series |