Canadian Journal of Gastroenterology and Hepatology

Review Article

Comparison of the Effects of TIPS versus BRTO on Bleeding Gastric Varices: A Meta-Analysis

Table 1

Risk-of-bias assessment of the included studies.
No.Study IDNewcastle–Ottawa quality assessment scale for cohort studies
SelectionComparabilityOutcomeTotal score
123456789
1Gimm et al. [27]★★★●★●★★★7
2Kim et al. [28]★★★●★★★★★8
3Lee et al. [29]★★★●★★★★★8
4Sabri et al. [30]★★★●★★★★●7
5Lee et al. [24]★★★●★●★★●6
6Sauk et al. [26]★★★●★●★★●6
7Lee et al. [25]★★★●★●★★●6
8Ninoi et al. [31]★★★●★★★★★8
1: representativeness of the exposed cohort; 2: selection of the nonexposed cohort; 3: ascertainment of exposure; 4: demonstration that the outcome of interest was not present at the start of the study; 5: study controls for the most important factor; 6: study controls for the second-most important factor; 7: assessment of outcome; 8: follow-up long enough for outcomes to occur; 9: adequacy of follow-up of cohorts. ★ was awarded if the respective information was available. ● was awarded if the respective information was unavailable.