Alignment accuracy and functional outcomes between hand-held navigation and conventional instruments in TKA: a randomized controlled trial

Table 1 Physical performances and quality of life compared between the iAssist and the conventional group

Outcome measure	iAssist (n = 30)				Conventional (n = 30)				P value for Comparisons at 2 years
Outcome measure	Preop	6 mo	1 yr	2 yr	Preop	6 mo	1 yr	2 yr	P value for Comparisons at 2 years
Range of Motion	106.0 ± 16.4	111.2 ± 10.4	117.1 ± 9.8	106.7 ± 14.6	109.5 ± 13.6	117.7 ± 10.2	119.2 ± 8.4	108.2 ± 12.7	0.324
Knee Society Scores	65.8 ± 9.7	80.5 ± 8.3	82.3 ± 6.5	82.5 ± 6.4	68.4 ± 12.0	82.9 ± 4.3	83.7 ± 3.4	83.8 ± 3.4	0.324
Knee Society Function Scores	71.5 ± 15.4	76.0 ± 12.8	71.5 ± 15.4	71.5 ± 15.4	76.0 ± 12.8	71.5 ± 15.4	76.0 ± 12.8	76.0 ± 12.8	0.223
EQ-5D	0.6 ± 0.2	0.8 ± 0.2	0.9 ± 0.2	0.9 ± 0.2	0.6 ± 0.2	0.9 ± 0.1	0.9 ± 0.1	1.0 ± 0.1	0.217
EQ-5D: Health State	65.9 ± 15.4	80.3 ± 9.6	80.5 ± 10.4	78.8 ± 12.6	63.6 ± 19.9	81.7 ± 8.9	81.3 ± 8.5	82.8 ± 7.3	0.138

ISSN: 1471-2474