Table 2 Inter- and intra-observer reliability (intra class correlation- ICC) for femoral, tibial and combined femoral-tibial component position after UKA
Intraobserver-reliability | Interobserver-reliability | ||||
|---|---|---|---|---|---|
Measurement | Mean | SD | U1 | U2 | U1-U2 |
Femoral component | |||||
Varus-valgus | 2.3 | 3.8 | 0.80 | 0,92 | 0.92 |
Flexion-extension | 15.3 | 6.5 | 0.92 | 0.91 | 0.91 |
Internal rotation- external rotation | −4.3 | 5.0 | 0.74 | 0.92 | 0.92 |
Tibial component | |||||
Varus-valgus | 7.0 | 3.6 | 0.94 | 0.95 | 0.95 |
Flexion-extension | −6.3 | 5.0 | 0.98 | 0.99 | 1.00 |
Internal rotation- external rotation | −4.7 | 3.5 | 0.87 | 0.91 | 0.91 |
Combined femoral and tibial component | |||||
Internal rotation- external rotation | 10.2 | 7.1 | 0.93 | 0.95 | 0.95 |
Tibiofemoral angle | |||||
Tibiofemoral angle | −1.7 | 2.8 | 0.98 | 0.99 | 0.98 |