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Table 1 Comparison autograft and allograft patient characteristics

From: ACL graft failure location differs between allografts and autografts

  Autograft (n = 20) Allograft (n = 12) Significance
Median age at primary ACL reconstruction (IQ range) 18 years (16 – 21 years) 20.5 years (16.5 – 24.8 years) p = 0.32
Gender    p = 1.0
 Male 6 (50%) 11 (55%)  
 Female 6 (50%) 9 (45%)  
Median time from initial reconstruction to re-injury (years) 1.2 years (0.5 – 2.9 years) 0.9 years (0.5 – 3.2 years) p = 0.58
Mechanism of Re-injury    p = 0.29
 Basketball 4 4  
 Soccer 3 3  
 Other sports 6 5  
 Non-athletic 5 0  
 Military Training 2 0  
Median Time from re-injury to revision reconstruction (weeks) 13.4 weeks (7.0 – 28.1 weeks) 8.4 weeks (2.8 – 35.8 weeks) p = 0.44
Median age at revision ACL reconstruction (IQ range) 20 years (17.0 – 25.3 years) 22 years (17.8 – 29.3 years) p = 0.78
  1. IQ = Inter-quartile.