Table 1.
The Characteristics of Clinical Studies
| Study | Journal | Study design | Level of evidence | Year | Study period | Age (yr), mean (no.) | Graft | Concomitant injury | Follow-up time (mo) |
|---|---|---|---|---|---|---|---|---|---|
| Conteduca et al.1) | Int Orthop | Retrospective cohort study | 3 | 2013 | 2002–2010 | >40: 45.4 (36) <40: NP (52) |
Autograft (semitendinosus, gracilis tendon) | Inclusion | 42 |
| Viola and Vianello9) | Knee Surg Sports Traumatol Arthrosc | Retrospective cohort study | 3 | 1999 | 1991–1994 | >40: 42.6 (11) <40: 20.3 (11) |
Allograft (bone-patellar tendon-bone) | Exclusion | 29 |
| Brandsson et al.7) | Arthroscopy | Retrospective cohort study | 3 | 2000 | 1991–1994 | >40: 43 (30) <40: 37 (37) |
Autograft (bone-patellar tendon-bone) | Inclusion | 31 |
| Gee et al.8) | Phys Sportsmed | Retrospective cohort study | 3 | 2013 | 2000–2008 | <40: 21 (48) >40: 45 (46) |
Autograft (bone-patellar tendon-bone, Achilles tendon), allograft (tibialis anterior) | Inclusion | 60 |
| Wierer et al.4) | Knee Surg Sports Traumatol Arthrosc | Retrospective cohort study | 3 | 2017 | 2010–2016 | >40: 45 (20) <40: 27 (39) |
Autograft (semitendinosus, gracillis tendon) | Exclusion | 24 |
| Barber et al.6) | Arthroscopy | Retrospective cohort study | 3 | 2010 | 2002–2005 | <40: 31 (21) >40: 46 (11) |
Allograft (bone-patellar tendon-bone) | Inclusion | 35 |
| Barber et al.10) | Arthroscopy | Retrospective cohort study | 3 | 1996 | 1992–1994 | <40: 27 (170) >40: 44 (33) |
Allograft, autograft (bone-patellar tendon-bone, Achilles tendon) | Exclusion | 12 |
NP: not provide.