Table 2 Quality assessment of included studies, using New-Castle Ottawa scale
Author | Selection Bias | Comparability | Outcome | Score | Quality | ||||
|---|---|---|---|---|---|---|---|---|---|
Representativeness of sample | Sample size | Non-respondents | Ascertainment exposure | Comparability | Assessment outcome | Statistical test | |||
Addai et al. (2018) [96] | -- | -- | -- | ** | -- | -- | * | 3 | Low |
Aydın et al. (2022) [99] | -- | -- | -- | ** | -- | ** | * | 5 | Moderate |
Eshaghi et al. (2021) [100] | * | -- | -- | ** | -- | ** | * | 6 | Moderate |
Hosseini et al. (2016) [27] | * | -- | -- | ** | * | ** | * | 7 | Good |
Hu et al. (2018) [94] | * | * | -- | ** | ** | ** | * | 9 | Good |
Kutlu et al. (2019) [95] | * | -- | -- | ** | -- | -- | * | 4 | Low |
Li, B et al. (2020) [93] | * | -- | -- | ** | ** | ** | * | 8 | Good |
Li, N et al. (2021) [101] | -- | -- | -- | ** | -- | ** | * | 5 | Moderate |
Li, S et al. (2019) [91] | * | -- | -- | ** | ** | ** | * | 8 | Good |
Palizban et al. (2019) [92] | * | -- | -- | ** | -- | ** | * | 6 | Moderate |
Shah et al. (2021) [102] | * | -- | -- | ** | -- | ** | * | 6 | Moderate |
Shelest et al. (2018) [97] | -- | -- | -- | ** | -- | ** | * | 5 | Moderate |
Wu et al. (2014) [24] | * | -- | -- | ** | ** | ** | * | 8 | Good |
Zang et al. (2018) [98] | * | -- | -- | ** | ** | ** | * | 8 | Good |
Zhang et al. (2020) [103] | * | -- | -- | ** | -- | ** | * | 6 | Moderate |