Table 4.
Studies of predictors of functional scores
| Study | Number of revision TKAs | Design | Followup | Outcome | Trend | Predictors |
|---|---|---|---|---|---|---|
| Pun & Ries [15] | 67 | Retrospective | 2 years | Knee Society scores | Not reported | Preoperative diagnosis |
| Ghomrawi et al. [8] | 221 | Prospective | 2 years | WOMAC; SF-36; LEAS | Peak at 1 year; significant decrease at 2 years | Comorbidities; mode of failures |
| Singh et al. [18] | 1456 | Prospective | 2–5 years | Functional limitation | Not reported | BMI > 40; comorbidities; female; age > 80 years |
| Current study | 120 | Prospective | 3 years | WOMAC; SF-36 | Peak at 1 year; no significant change after 1 year | Comorbidities |
LEAS- Lower-extremity activity scale.