Table 2.
Newcastle–Ottawa Scale of cohort studies
| Study | Years | SELECTION | COMPARABILITY | OUTCOME | |||||
|---|---|---|---|---|---|---|---|---|---|
| Representativeness of exposed cohort | Selection of the non‐exposed cohort | Ascertainment of exposure | Outcome of interest was not present | Comparability of exposure and non‐exposure | Ascertainment of outcome | Follow-up enough for outcome | Adequacy of follow-up | ||
| Small | 2020 | ★ | ★ | ★ | ★ | ★★ | ★ | ★ | ★ |
| Grenon | 2014 | ★ | ★ | ★ | ★ | ★★ | ★ | ★ | ★ |
| Reich | 2007 | ★ | ★ | ★ | ★ | ★ | ★ | ||
| Wildman | 2005 | ★ | ★ | ★ | ★ | ★★ | ★ | ||
| Smith | 2003 | ★ | ★ | ★ | ★ | ★ | ★ | ★ | ★ |
| Meijer | 2000 | ★ | ★ | ★ | ★ | ★★ | ★ | ||
| LI | 2013 | ★ | ★ | ★ | ★ | ★★ | ★ | ||
| Liu | 2020 | ★ | ★ | ★ | ★ | ★★ | ★ | ★ | ★ |
| Bertoia | 2014 | ★ | ★ | ★ | ★ | ★★ | ★ | ||
| Mohamad | 2011 | ★ | ★ | ★ | ★ | ★ | ★ | ★ | |
| Garofolo | 2007 | ★ | ★ | ★ | ★★ | ★ | |||
| Guallar | 2005 | ★ | ★ | ★ | ★★ | ★ | |||
| Allison | 2006 | ★ | ★ | ★ | ★ | ★★ | ★ | ★ | |
| ELLER | 2005 | ★ | ★ | ★ | ★ | ★★ | ★ | ★ | |
| Aronow | 1998 | ★ | ★ | ★ | ★ | ★★ | ★ | ||
| Pedoe | 2017 | ★ | ★ | ★ | ★★ | ★ | ★ | ||
| Forbang | 2016 | ★ | ★ | ★ | ★★ | ★ | |||
| Gurdasani | 2012 | ★ | ★ | ★ | ★ | ★★ | ★ | ★ | |
| Volpato | 2010 | ★ | ★ | ★ | ★ | ★ | ★ | ★ | ★ |
| Pradhan | 2008 | ★ | ★ | ★ | ★★ | ★ | ★ | ★ | |
| Diehm | 2004 | ★ | ★ | ★ | ★ | ★★ | ★ | ||
| Tyrrell | 1995 | ★ | ★ | ★ | ★ | ★★ | ★ | ||
| Trinder | 2020 | ★ | ★ | ★ | ★ | ★ | ★ | ||