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Table 1 Criteria of patient selection for this study

From: Long-term follow-up after anterior cruciate ligament reconstruction using a press-fit quadriceps tendon-patellar bone autograft

Inclusion criteria Exclusion criteria
Primary ACL rupture Previous operations on both knee joints
Maximum 18 months between injury and operation Injuries of the lateral collateral ligament and the posterior cruciate ligament
Maximum age at operation 45 years Chondromalacia greater that grade II according to Outerbridge
Age of at least 18 years on investigation Meniscal repair
Activity level before the injury ≥4 in the Tegner Score Instability of the contralateral knee joint