Table 3.

KOOS Change Scores at 6 and 24 Months from Preoperative Baseline^a

	FL	AL	P value
KOOS Symptoms
Baseline	51.5 ± 15.5	54.5 ± 15.9	0.595
6-month change	+21.4 ± 18.4	+15.8 ± 22.5	0.492
24-month change	+23.3 ± 9.4	+23.7 ± 11.1	0.924
KOOS Pain
Baseline	62.0 ± 11.9	61.3 ± 21.3	0.904
6-month change	+18.7 ± 13.6	+20.6 ± 20.1	0.786
24-month change	+25.7 ± 14.9	+25.7 ± 14.3	0.993
KOOS ADL
Baseline	70.6 ± 12.0	71.7 ± 18.9	0.858
6-month change	+19.8 ± 17.1	+17.7 ± 18.9	0.748
24-month change	+29.8 ± 13.6	+21.4 12.8	0.137
KOOS Sport
Baseline	21.7 ± 17.8	26.3 ± 22.0	0.533
6-month change	+41.8 ± 25.8	+34.7 ± 26.3	0.488
24-month change	+59.4 ± 23.8	+53.4 ± 24.6	0.568
KOOS QOL
Baseline	31.6 ± 16.8	35.4 ± 18.2	0.549
6-month change	+20.5 ± 27.4	+32.2 ± 24.5	0.246
24-month change	+46.6 ± 13.0	+37.3 ± 22.8	0.291

^aReported as mean ± SD; P values calculated using independent samples t-tests. ADL = activities of daily living. QOL = quality of life