Appendix Table 1.

Descriptive Characteristics of Preoperative and Postoperative Patient-Reported Outcomes at Minimum 2-Year Follow-up ^a

Variable	n	Total Cohort
Preoperative IKDC	37	37.2 (17.1)
Postoperative IKDC	71	87.5 (12.6)
IKDC difference	37	51.0 (21.8)
Preoperative Marx	63	14.3 (3.1)
Postoperative Marx	71	12.2 (4.6)
Marx difference	63	2.0 (4.9)

^aData are presented as mean (SD). IKDC, International Knee Documentation Committee; Marx, Marx activity rating scale.