Table 2 Spatiotemporal parameters
From: Asymmetric gap balancing improves knee kinematic following primary total knee arthroplasty
Spatiotemporal Parameters | Control group | uKA group | Simplified KA group | P-Value |
|---|---|---|---|---|
Cadence (cycle/s) | 0.89 ± 0.5 | 0.72 ± 0.16 | 0.76 ± 0.10 | uKA/sKA P = 0.36 Control/uKA/sKA P < 0.0003 |
Healthy side Step length (cm) | 71.4 ± 4.4 | 33.8 ± 9.0 | 35.1 ± 13.7 | uKA/sKA P = 0.59 Control/uKA/sKA P = 1.20 |
Surgery side Step length (cm) | NA | 35.5 ± 9.1 | 36.3 ± 12.6 | uKA/sKA P = 0.83 |
Healthy side Step length (%) | 3.38 ± 0.9 | 7.4 ± 3.03 | 7.3 ± 3.8 | uKA/sKA P = 0.71 Control/uKA/sKA P < 0.0004 |
Surgery side Step length (%) | NA | 8.2 ± 3.4 | 7.8 ± 3.56 | uKA/sKA P = 0.56 |
Healthy side Contact time (s) | 0.72 ± 0.5 | 1.04 ± 0.3 | 0.92 ± 0.2 | uKA/sKA P = 0.18 Control/uKA/sKA P = 0.052 |
Surgery side Contact time (s) | NA | 1.03 ± 0.2 | 0.97 ± 0.2 | uKA/sKA P = 0.48 |
Center of gravity Vertical Oscillation (cm) | 3.08 ± 0.5 | 1.03 ± 0.2 | 1.26 ± 0.5 | Control/uKA/sKA P = 2.6 |