Table 2 Quality of the included studies using the Newcastle–Ottawa scale.
Selection | Comparability | Outcome | Total | |
|---|---|---|---|---|
Cohort study | ||||
Cedergren 2002 | ★★★★ | ★★ | ★ | 7 |
Ebdrup 2022 | ★★★★ | ★★ | ★★★ | 9 |
Migeot 2013 | ||||
Migeot 2013 | ★★★★ | ★★ | ★★ | 8 |
Limousi 2014 | ★★★★ | ★★ | ★★ | 8 |
Albouy-Llaty 2016 | ★★★★ | ★★ | ★★ | 8 |
Sherris 2021 | ★★★★ | ★★ | ★★ | 8 |
Stayner 2022 | ||||
Stayner 2022 | ★★★ | ★★ | ★★★ | 8 |
Coffman 2022 | ★★★ | ★★ | ★★★ | 8 |
Coffman 2021 | ★★★ | ★★ | ★★★ | 8 |
Thomsen 2021 | ★★★ | ★★ | ★★★ | 8 |
Case–control study | ||||
Arbuckle 1988 | ★★ | ★ | ★★ | 5 |
Aschengrau 1989 | ★★ | ★★ | ★★ | 6 |
Aschengrau 1993 | ★★ | ★★ | ★ | 5 |
Brender 2004 | ★★★★ | ★ | ★ | 6 |
Brender 2013 | ★★★ | ★★ | ★★ | 7 |
Croen 2001 | ★ | ★ | ★★★ | 5 |
Dorsch 1984 | ★★ | ★★ | ★★★ | 7 |
Ericson 1988 | ★★ | ★★ | ★★ | 6 |
Holtby 2014 | ★★★ | ★★ | ★★ | 7 |
Liu 2008 | ★★ | ★ | ★★ | 5 |
Waller 2010 | ★★★★ | ★★ | ★★ | 7 |
