Table 2.

Gait kinetics

	Preoperative		3 months		6 months		12 months
	X	SD	X	SD	X	SD	X	SD
MVF heel
IKF	95.51	1.01	93.39	2.70	92.27	2.58	92.88	2.71
CF	99.81	1.58	98.93	2.19	94.88	3.15	95.46	2.25
p	0.001		0.061		0.512		0.312
LSI	95.6%		94.4%		97.2%		97.2%
Single–leg MVF
IKF	82.17	1.3	78.94	2.86	76.47	2.75	79.92	1.5
CF	80.15	1.28	77.23	2.81	75.88	1.68	78.99	2.34
p	0.001		0.050		0.0561		0.061
LSI	102%		102%		100%		101%
IVF (%)
IKF	96.93	1.57	95.49	3.18	93.34	2.31	94.69	2.66
CF	100.39	1.58	95.81	2.76	90.13	4.97	93.69	3.37
p	0.001		0.222		0.061		0.712
LSI	96%		99.6%		103%		101%
Anterior force
IKF	12.39	4.25	11.58	5.31	12.34	5.7	10.54	4.57
CF	14.36	1.58	14.42	3.61	12.78	4.43	10.80	4.10
p	0.001		0.069		0.332		0.077
LSI	86.2%		80.3%		96.5%		97.5%
Posterior force
IKF	16.95	0.63	17.06	1.30	17.51	0.84	16.05	0.6
CF	17.71	0.52	17.75	0.95	17.15	0.97	16.29	1.21
p	0.01		0.073		0.0912		0.057
LSI	95.7%		96.1%		102%		98.5%
Contact time (%)
IKF	55.72	0.45	54.29	0.69	56.74	1.66	56.24	0.96
CF	55.85	0.39	57.50	0.88	56.14	1.05	55.30	0.53
p	0.069		0.0012		0.067		0.078
LSI	99.7%		94.4%		101%		101%

MVF maximum vertical force, IVF impulse vertical force, AP anterior-posterior, IKF injured-knee foot, CF control foot, SD standard deviation