All | Group MAN | Group NAV | Group PSI | p = * | |
---|---|---|---|---|---|
n= | 159 | 54 | 52 | 53 | n.a. |
age (years mean (SD)) | 70 (10.1) | 71 (9.1) | 69 (10.)5 | 69 (10.6) | 0.56 |
BMI (kg/m2; mean (SD)) | 30 (5.8) | 30 (5.8) | 31 (5.3) | 29 (6.2) | 0.482 |
Gender (n = f/m) | 98/61 | 34/20 | 33/19 | 31/22 | 0.632 |
Varus n= | 118 | 36 | 41 | 41 | 0.292 |
Varus degrees mean (SD) | 13.0 (2.8) | 12.6 (2.1) | 13.0 (3.0) | 13.8 (2.9) | 0.13 |
Valgus n= | 41 | 18 | 11 | 12 | 0.292 |
Valgus degrees mean (SD) | −13.0 (2.9) | −13.3 (3.6) | −12.8 (2.2) | −11.3 (1.7) | 0.13 |
Surgeon’s experience >100 TKA | 104 | 30 | 24 | 50 | <0.001 |
Surgeon’s experience 50 to 100 TKA | 55 | 24 | 28 | 3 | <0.001 |
Zimmer NexGen n= | 88 | 39 | 49 | 0 | <0.001 |
Zimmer SAL n= | 15 | 15 | 0 | 0 | < 0.001 |
Global Medacta Knee n= | 56 | 0 | 3 | 53 | <0.001 |