Skip to main content
. Author manuscript; available in PMC: 2019 Oct 1.
Published in final edited form as: Am J Sports Med. 2018 Aug 3;46(12):2915–2921. doi: 10.1177/0363546518789619

Table 1.

Pre- and 2-year postoperative KOOS, JR, KOOSglobal, and IKDC scores (mean ± standard deviation) from 1,904 ACL reconstruction patients

KOOSglobal IKDC
Preoperative 53.3 ± 9.7 51.7 ± 17.0
 Scores of 0 (n, %) 0 (0%) 1 (<1%)
 Scores of 100 (n, %) 4 (<1%) 4 (<1%)
Postoperative 73.3 ± 14.6 83.2 ± 15.3
 Scores of 0 (n, %) 0 (0%) 0 (0%)
 Scores of 100 (n, %) 213 (11%) 122 (6%)
Pre/post t statistic 59.71 74.96
Effect size 2.1 1.8