. 2009 Apr 3;467(9):2414–2419. doi: 10.1007/s11999-009-0811-0

Table 2.

Preoperative and postoperative (mean ± standard deviation) results

Dependent variable	Preoperative	Postoperative	p Value
Knee function score (/100)	*42.8 ± 20.9	*66.1 ± 26.7	< .001
Knee pain score (/50)	*19.2 ± 17.8	*44.0 ± 26.7	< .001
^†Involved lift-up index (%BW)	*19.6 ± 7.1	*21.6 ± 6.9	.01
^†Uninvolved lift-up index (%BW)	*20.7 ± 7.2	21.7 ± 7.2	.03
Range of motion	120.0 ± 11.6	121.1 ± 9.0	.71

* Indicates statistical significance at p ≤ 0.05; ^†lift-up indices expressed as a percent of body weight (% BW).