TABLE 2.

Postoperative Outcome Scores for Study Cohorts^a

Postoperative Outcome Measure	Patients Aged 20-30 Years (n = 52)	Patients Aged 50-75 Years (n = 33)	P
SF-12 PCS	52.8	51.5	.487
SF-12 MCS	53.2	53.7	.900
WOMAC total	5.7	13.4	.025
Lysholm score	85.8	84.4	.660
IKDC	73.0	71.3	.256
Tegner activity scale	5.8	5.0	.420
Patient satisfaction	7.9	8.3	.060

^aIndividual outcome scores are reported as mean values. IKDC, International Knee Documentation Committee; MCS, mental health component summary; PCS, physical component summary; SF-12, Short Form–12; WOMAC, Western Ontario and McMaster Universities Osteoarthritis Index.