From: Clinical outcomes and second-look arthroscopic findings of anterior cruciate ligament reconstruction with autograft, hybrid graft, and allograft
Variable
Autograft (28)
Hybrid graft (32)
Allograft (37)
P value
Synovial coverage
0.016
 Good
16
8
10
 Fair
9
 Poor
3
11
Graft tension
0.008
 Taut
14
17
7
 Mildly lax
19
 Lax
4
5