. 2014 Jul 3;10(3):256–259. doi: 10.1007/s11420-014-9402-z

Table 2.

Outcome scores for Optetrak^® vs. Logic implants at pre-op and latest follow-up visits

	Pre-op		p value from two-sample t-test comparing two groups	Latest		p value from two-sample t-test comparing two groups
	Optetrak®	Logic	p value from two-sample t-test comparing two groups	Optetrak®	Logic	p value from two-sample t-test comparing two groups
Knee Society Score	78.9 ± 27.6	85.4 ± 34.3	0.1273	161.6 ± 38.0	168.4 ± 34.5	0.0018
ROM	104.8° ± 18.9	108.2° ± 18.3	0.3664	120.9° ± 8.8	125.0° ± 9.2	0.7552
WOMAC	52.5 ± 19.3	49.6 ± 18.4	0.1651	76.4 ± 21.1	77.3 ± 21.5	0.1895

Data in italic signifies Knee Society Score improvement