The authors | country | year | size of sample | Prevalence of anxiety |
Our trial | Tunisia | 2021 | 43 | 95% |
Lichtenhal [27] | Australia | 2015 | 120 | 85% |
Boman [28] | Suéde | 2003 | 264 | 66% |
Duetrich [24] | Allemagne | 2016 (1 year) | 213 | 54% |
Dunn [20] | USA | 2013 | 286 | 37% |
Dahliquist [34] | USA | 1993 | 226 | 13% |