From: Influence of navigation system updates on total knee arthroplasty
Version 3.1 group | Version 4.0 group | P-value | |
---|---|---|---|
Number of patients | 33 | 49 | |
Sex (female/male) | 30/3 | 43/6 | |
Diagnosis (OA/others) | 31/2 | 47/2 | |
Age (years) | 75.0 ± 5.0 | 75.5 ± 5.1 | n.s. |
Pre-operative KSS | 37.9 ± 10.5 | 36.4 ± 10.1 | n.s. |
Maximum extension (°) | −9.8 ± 7.2 | −11.8 ± 7.1 | n.s. |
Maximum flexion (°) | 120.1 ± 16.4 | 119.2 ± 15.7 | n.s. |
Body mass index (kg/m2) | 26.2 ± 3.7 | 26.1 ± 4.1 | n.s. |
Pre-operative FTA (°) | 185.8 ± 6.9 | 186.1 ± 9.6 | n.s. |