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. Author manuscript; available in PMC: 2022 Nov 21.
Published in final edited form as: Am J Sports Med. 2021 Feb 22;49(4):918–927. doi: 10.1177/0363546520988018

TABLE 3.

Differences in Patient-Reported Outcome Measuresa

Group, Mean ± SD
Measure RI NRI P Value Effect Size
IKDC 79.3 ± 11.2 83.3 ± 9.9 .12 0.31
ACL-RSI 71.2 ± 16.2 77.2 ± 15.0 .09 0.37
Marx 11.3 ± 3.5 11.1 ± 3.5 .25 0.17
 Activity Scale
a

ACL-RSI, Anterior Cruciate Ligament Return to Sport After Injury questionnaire; IKDC, International Knee Documentation Committee; NRI, no reinjury; RI, reinjury.