Table 1 Criteria list for assessing the methodological quality of prognostic cohort studies on shoulder disorders
Criteria | Score | |
|---|---|---|
Study population | ||
A. | Inception cohort (defined in relationship to onset of symptoms) | +/−/? |
B. | Description of inclusion and exclusion | +/? |
C. | Description of study population | +/? |
Response | ||
D. | Response >75 % | +/−/? |
E. | Information about non-responders versus responders | +/−/? |
Follow-up (extent and length) | ||
F. | Prospective data collection | +/−/? |
G. | Follow-up of at least 6 months | +/−/? |
H. | Drop-outs/loss to follow-up < 20 % | +/−/? |
I. | Information completers versus loss to follow-up/drop-outs | +/−/? |
Treatment | ||
J. | Treatment in cohort is fully described/standardised | +/−/? |
Outcome | ||
K. | Standardised assessment of relevant outcome criteria | +/? |
Prognostic factors | ||
L. | Standardised assessment of patient characteristics and potential clinical prognostic factor(s) | +/? |
M. | Standardised assessment of potential psychosocial prognostic factor(s) | +/? |
Data presentation | ||
N. | Frequencies of most important outcome measures | +/− |
O. | Frequencies of most important prognostic factors | +/− |
P. | Appropriate analysis techniques | +/−/? |
Q. | Prognostic model is presented | +/−/? |
R. | Sufficient numbers | +/− |