Researchers examined a total of 45,998 primary anterior cruciate ligament reconstruction procedures in Scandinavian ACL registries. The ACL reconstructions included 6,736 patellar tendon autografts and 38,666 hamstring autografts.
A total of 156 patients in the patellar tendon group and 1,042 patients in the hamstring group underwent revision. The overall risk of revision was significantly lower in the patellar tendon group versus the hamstring group, and it decreased with increasing age at surgery, although not strictly linearly.
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