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Official Journal of the Italian Society of Orthopaedics and Traumatology

Table 3 Risk of revision surgery as hazard ratio and 2 year relative risk

From: Delaying anterior cruciate ligament reconstruction for more than 3 or 6 months results in lower risk of revision surgery

Risk of revision

 < 3 months versus > 3 months

 < 6 months versus > 6 months

Hazard ratio (95% CI)

1.34 (1.18–1.52)

1.47 (1.34–1.62)

Adjusted hazard ratioa (95% CI)

1.27 (1.12–1.44)

1.27 (1.15–1.40)

2 Year relative risk (95% CI)

1.81 (1.46–2.23)

1.61 (1.34–1.92)

  1. aAdjusted for age, sex, activity leading to injury, meniscal damage, cartilage damage, and graft choice