Table 2 Levels of evidence for prognostic factors on shoulder disorders
Level of evidence | |
|---|---|
Strong | Consistent findings (>75 %) in at least two high quality cohorts |
Moderate | Consistent findings (>75 %) in one high quality cohort and at least one low quality cohort |
Weak | Findings of one high quality cohort or consistent findings (>75 %) in at least three or more low quality cohorts |
Inconclusive | Inconsistent findings irrespective of study quality, or less than three low quality cohorts available |
No evidence | No data presented |