Table 2 The quality evaluation of cohort studies
From: Left-side vs. right-side hepatectomy for hilar cholangiocarcinoma: a meta-analysis
Methodological quality | ||||
|---|---|---|---|---|
Study | Selection | Comparability | Outcome | Quality score |
Bednarsch et al. [28] | ★★★★ | ★ | ★★ | 7 stars |
Govil et al. [19] | ★★★★ | ★ | ★ | 6 stars |
Hong et al. [29] | ★★★★ | ★★ | ★★ | 8 stars |
Jo et al. [15] | ★★★★ | ★★ | ★★ | 8 stars |
Lee et al. [30] | ★★★★ | ★ | ★★ | 7 stars |
Otto et al. [31] | ★★★★ | ★ | ★★ | 7 stars |
Ratti et al. [32] | ★★★★ | ★ | ★★ | 7 stars |
Shimizu et al. [11] | ★★★★ | ★ | ★★ | 7 stars |
Sugiura et al. [33] | ★★★★ | ★ | ★ | 6 stars |
Konstadoulakis et al. [34] | ★★★ | ★ | ★★ | 6 stars |
Yamanaka et al. [35] | ★★★★ | ★ | ★★ | 7 stars |