Table 3 Quality Assessment of Cohort Studies According to Newcastle–Ottawa Scale.
Study | Selection | Comparability | Outcome | Total |
|---|---|---|---|---|
An et al.31 | *** | *** | 6 | |
Bose et al.20 | *** | ** | *** | 8 |
Cerier et al.19 | *** | * | *** | 7 |
Eubanks et al.35 | *** | ** | *** | 8 |
Goldberg et al.36 | *** | *** | 6 | |
Hilibrand et al.9 | *** | * | *** | 7 |
Lau et al.11 | **** | * | *** | 8 |
Luszczyk et al.45 | *** | *** | 6 | |
Mangan et al.46 | *** | ** | *** | 8 |
Martin et al. 10 | **** | * | *** | 8 |
Patel et al. 48 | *** | ** | *** | 8 |
Suchomel et al.53 | **** | *** | 7 | |
Tu et al.18 | *** | ** | *** | 8 |
Vasquez et al.21 | *** | ** | *** | 8 |
Wang et al.54 | *** | *** | 6 | |
Wen-Shen et al.13 | *** | ** | *** | 8 |
