Table 4: Study Biases and Limitations*.
Bias | Mahomed et al. 2004 | Kelly et al. 1999 |
---|---|---|
Selection | Insufficient data to determine | +++ |
Performance | Insufficient data to determine | – |
Detection | – | – |
Attrition | – | – |
Other limitations | Grey literature | Did not use WOMAC Short follow-up period (3 months) |
No (–) Possible(+) Probable (++) Yes (+++)