Table 3.

Characteristics of the studies selected for final inclusion.

	Injury definition	Reinjury	Rehabilitation	Injury severity (days)
Hagglund et al; 2006	Time loss	Similar injury after return	complete return (practice and games)	Mild (1-3)/Minor (4-7)/Moderate (8-28)/Major (>28)
Azubuike & Okojie; 2009	Time loss	NA	NA	Mild (1-3)/Minor (4-7)/Moderate (8-28)/Major (>28)
Waldén et al; 2005	Time loss	Similar injury until 2 months	complete return (practice and games)	Mild (1-3)/Minor (4-7)/Moderate (8-28)/Major (>28)
Paus et al; 2003	Injury during game or practice which withdraw the player	NA	NA	Mild (1-7)/Moderate (8-21)/Severe (>21)
Paus et al; 2003	Injury during game or practice which withdraw the player	NA	complete return (practice and games)	Mild (1-7)/Moderate (8-21)/Severe (>21)/Most severe (>56)
Cohen et al; 1997	NA	NA	NA	Mild (0-7)/Moderate (8-30)/Severe (>30)
Kucera et al; 2005	NA	NA	NA	NA
Selistre et al; 2009	Event which lead to loss ≥1 game	NA	NA	NA
Palacio et al; 2009	Withdrawal ≥10 days	NA	NA	NA
Yoon et al; 2004	Absence in practice or game	NA	NA	1 (0)/2 (1-3)/3 (4-7)/4 (7-30)/5 (>30)
Martinez & Villani 2003	Injury confirmed by doctor and absence ≥2 days	NA	NA	NA
Ladeira 1999	Injury which prevent the return at the same or following days	Similar injury less than 8 weeks	NA	Mild (1-7)/Moderate (8-28)/Severe (>28)

NA - Non available.