Table 2.
Clinical data of follow-up visit, complications and revisions per patient expressed as mean and number
| Clinical data | Group 1 (n = 21) (UKA revision) | Group 2 (n = 28) (TKA primary) | p value |
|---|---|---|---|
| Range of motion (SD) | 105.7° (12.9) | 106.8° (12.3) | 0.37 |
| Walking distance (m) (SD) | 3197 (2925.9) | 2311 (2100.9) | 0.37 |
| Get-up and go test (s) (SD) | 13.4 (12.5) | 11.0 (3.8) | 0.89 |
| Skin incision (cicatrix, cm) (SD) | 19.6 (1.9) | 19.6 (2.3) | 0.78 |
| WOMAC pain (VAS 0–100 mm) (SD) | 18.1 (18.1) | 7.8 (8.1) | 0.014 |
| WOMAC stiffness (SD) | 25.7 (20.3) | 14.4 (14.3) | 0.024 |
| WOMAC physical function (SD) | 19.0 (18.8) | 14.8 (11.9) | 0.62 |
| Ambulatory support | 9 | 11 | 0.80 |
| Complications | |||
| Wound infection | 1 | 3 | – |
| Thrombosis | 1 | 3 | – |
| Nerve injurya | 0 | 1 | – |
| Total complications | 2 (9.5%) | 7 (25.0%) | 0.17 |
| Re-revisions (per patient) | 2 (9.5%) | 1 (3.6%) | 0.39 |
aPeroneus nerve (verified with ENMG)
UKA unicompartmental knee arthroplasty, TKA total knee arthroplasty, WOMAC Western Ontario and McMaster Universities Osteoarthritis Index