Table 5.
Quality analysis of all included original studies
| Study | Study design | Percentage of maximum quality score (%) |
|---|---|---|
| Crumlish et al. (2005) | Prospective Cohort Study | 92 |
| Fialko et al. (2006) | Randomized Controlled Trial | 92 |
| Ran et al. (2007) | Follow-Up/Cohort Study | 92 |
| Ran et al. (2009) | Prospective Cohort Study | 92 |
| Montross et al. (2008) | Randomized Controlled Trial | 92 |
| Ran et al. (2008) | Prospective Cohort Study | 92 |
| Sevincok et al. (2007) | Prospective Case-Control Study | 85 |
| Alaräisänen et al. (2006) | Retrospective Cohort Study | 85 |
| Kuo et al. (2005) | Follow-up Cohort Study | 85 |
| Pompili et al. (2009) | Retrospective Cohort Study | 85 |
| Loas et al. (2009) | Prospective Cohort Study | 85 |
| Bhatia et al. (2006) | Retrospective Cohort Study | 85 |
| Limosin et al. (2007) | Prospective Follow-up Study | 85 |
| McGirr et al. (2008) | Retrospective Cohort Study | 85 |
| Bickley et al. (2006) | Retrospective Cohort Study | 85 |
| Bateman et al. (2007) | Randomized Controlled Trial | 85 |
| Silverton et al. (2008) | Prospective Cohort Study | 77 |
| Carlborg et al. (2008) | Follow-Up/Cohort Study | 77 |
| Tidemalm et al. (2008) | Follow-Up/Cohort Study | 77 |
| Healy et al. (2006) | Retrospective Cohort Study | 77 |
| Bertelsen et al. (2007) | Randomized Controlled Trial | 77 |
| Laursen et al. (2007) | Retrospective Cohort Study | 77 |
| Kelly et al. (2004) | Retrospective Cohort Study | 77 |
| Haukka et al. (2008) | Retrospective Cohort Study | 77 |
| Barak et al. (2004a) | Retrospective Case-Control Study | 77 |
| Sinclair et al. (2004) | Retrospective Case-Control Study | 77 |
| Reutfors et al. (2009) | Retrospective Case-Control Study | 77 |
| Carlborg et al. (2009) | Prospective Cohort Study | 77 |
| Preti et al. (2009) | Prospective Cohort Study | 77 |
| Barak et al. (2004b) | Retrospective Case-Control Study | 77 |
| Tarrier et al. (2006) | Prospective Randomized Controlled Trial | 77 |
| Strauss et al. (2006) | Retrospective Cohort Study | 77 |
| Altamura et al. (2007) | Retrospective Cohort Study | 77 |
| Alaräisänen et al. (2009) | Prospective Cohort Study | 77 |
| Rantanen et al. (2009) | Follow-up Study | 77 |
| Niehaus et al. (2004) | Case-Control Study | 77 |
| Ran et al. (2005) | Retrospective Cohort Study | 77 |
| Lewine and Shriner (2009) | Retrospective Cohort Study | 69 |
| Barak et al. (2008) | Case-Control Study | 69 |
| Lee et al. (2009) | Case-Control Study | 69 |
| McGirr et al. (2006) | Case-Control Study | 69 |
| Osborn et al. (2008) | Retrospective Cohort Study | 69 |
| Harkavy-Friedman et al. (2004) | Retrospective Cohort Study | 69 |
| Roy (2005) | Retrospective Case-Control Study | 69 |
| Li et al. (2008) | Case-Control Study | 69 |
| De Luca et al. (2007) | Case-Control Study | 62 |
| Bourgeois et al. (2004) | Follow-Up/Cohort Study | 62 |
| De Luca et al. (2006) | Case-Control Study | 62 |
| Karvonen et al. (2007) | Retrospective Cohort Study | 62 |
| Phillips et al. (2004) | Retrospective Cohort Study | 62 |
| Fennig et al. (2005) | Case-Control Study | 46 |