TABLE 5

Quality assessment of included studies based on the Newcastle–Ottawa Scale checklist

Study [ref.]Selection (maximum of 4 stars)Comparability (maximum of 2 stars)Outcome/exposure (maximum of 3 stars)
Gashimova et al. [66]******
Raninen et al. [49]***
Papaefstathiou et al. [41]*****
Papaefstathiou et al. [67]**
Geer et al. [29]****
Krilaviciute et al. [34]*****
Castellanos et al. [42]****
Ruzsányi et al. [48]******
Capone et al. [68]****
Chen et al. [39]******
Sukul et al. [33]***
Blanchet et al. [31]****
Gaida et al. [40]*********
Jalali et al. [69]*****
Raninen et al. [51]****
Alkhouri et al. [43]*********
Jareño-Esteban et al. [70]******
Baranska et al. [50]****
Das et al. [30]*****
Filipiak et al. [27]*****
de Gennaro et al. [28]****
Alonso et al. [46]**
Buszewski et al. [26]*****
Gordon et al. [71]****