“…27 Graft-related factors (eg, type and method of fixation) have been reported as risk factors for subsequent (revision or contralateral) ACLR. 11,18,19 Based on previous studies in patients who underwent primary ACLR, the rate of primary ACL graft rupture ranges from 4.4% to 7.7%, whereas the rate of contralateral ACL rupture in those patients falls between 4.4% and 11.8%. 15,19,43 However, other variables have also been identified as independent risk factors for revision ACLR, including age, sex, race, body mass index (BMI), activity level, smoking status, and concomitant injury.…”