Safety and efficacy of three-dimensional reconstruction technology-assisted percutaneous transhepatic biliary drainage: A meta-analysis

Table 2 Article quality assessment by Newcastle-Ottawa Scale: Cohort study

Ref.	Representativeness of the exposed cohort (1)	Selection of the non-exposed cohort (1)	Ascertainment of exposure (1)	Demonstration that outcome of interest was not present at start of study	Compare ability of cohorts on the basis of the design or analysis (2)	Assessment of outcome (1)	Was follow up long enough for outcomes to occur (1)	Adequacy of follow up of cohorts (1)	Total
Liu et al[22], 2023	1	1	1	1	2	1	1	1	9
Zhou et al[11], 2021	1	1	1	1	2	1	1	1	9
Li et al[10], 2020	1	1	1	1	2	1	1	1	9
Zhou et al[24], 2022	1	1	1	1	1	1	1	1	8
Wang[16], 2019	1	1	1	1	2	1	1	1	9
Yang et al[21], 2023	1	1	1	1	1	1	1	1	8
Kinoshita et al[15], 2017	1	1	1	1	0	1	1	1	7