Table 2 The quality assessment of included study using the Newcastle–Ottawa scale
Study | Selection | Comparability | Outcome | TOTAL | Quality | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
REC | SNEC | AE | DO | SC | AF | AO | FU | AFU | |||
Ichihara 2020 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | 1 | 6 | Moderate |
Wang 2019 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | 1 | 6 | Moderate |
Popinat 2019 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 7 | High |
Naik 2019 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 7 | High |
Magri 2019 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 7 | High |
Labadie 2019 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 7 | High |
Kulkarni 2019 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 6 | Moderate |
Kichenadasse 2019 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 7 | High |
De Giorgi 2019 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 7 | High |
Cortellini 2019 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | 1 | 6 | Moderate |
Richtig 2018 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 6 | Moderate |
Zhi 2018 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 5 | Moderate |
McQuade 2018 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 7 | High |