Table 2.
Newcastle-Ottawa Quality Assessment Scale Ratings
| |
Selection |
Comparability |
Outcome |
|
||||
|---|---|---|---|---|---|---|---|---|
| Authors | Representativeness | Selected group | Sample size | Diagnosis | Groups | Measurement method | Statistical test | Total |
| Alvarado-Esquivel (2018) | 1 | 0 | 0 | 1 | 2 | 1 | 1 | 6 |
| Baca-Garcia et al. (2004) | 1 | 0 | 1 | 2 | 0 | 2 | 1 | 7 |
| Birtchnell and Floyd (1975) | 1 | 0 | 0 | 1 | 0 | 1 | 1 | 4 |
| Chaturvedi et al. (1995) | 1 | 0 | 0 | 1 | 0 | 1 | 1 | 4 |
| de Carvalho et al. (2018) | 1 | 1 | 0 | 2 | 2 | 2 | 1 | 9 |
| Hong et al. (2012) | 1 | 0 | 0 | 2 | 2 | 2 | 1 | 8 |
| Keye et al. (1986) | 1 | 0 | 0 | 1 | 0 | 1 | 1 | 4 |
| Lee et al. (2006) | 1 | 0 | 0 | 1 | 0 | 1 | 1 | 4 |
| Pilver et al. (2013) | 1 | 0 | 0 | 2 | 2 | 1 | 1 | 7 |
| Shams-Alizadeh et al. (2018) | 1 | 0 | 0 | 2 | 1 | 1 | 1 | 6 |
| Soydas et al. (2014) | 1 | 1 | 0 | 2 | 2 | 1 | 1 | 8 |
| Wittchen and Pfister (1997) | 1 | 0 | 0 | 2 | 1 | 1 | 1 | 6 |
| Thin et al. (1968) | 1 | 0 | 0 | 1 | 0 | 1 | 1 | 4 |