Are Lumen-Apposing Metal Stents More Effective Than Plastic Stents for the Management of Pancreatic Fluid Collections: An Updated Systematic Review and Meta-analysis

Table 1

Newcastle-Ottawa Quality Assessment Scale for cohort studies included in this review.

Study	Selection				Outcome assessment			Comparability		Quality of study
	1	2	3	4	1	2	3	1	2
Bekkali et al. [19]	+	+	+	+	+	+	+	+	+	High quality
Walter et al. [20]	+	+	+	+	+	+	+			Medium quality
Wang et al. [21]	+	+	+	+	+	+		+	+	High quality
Gornals et al. [22]	+	+		+	+	+	+			Medium quality
Sharaiha et al. [23]	+	+	+	+	+	+		+	+	High quality
Ge et al. [9]	+			+	+	+	+			Low quality
Rinninella et al. [24].	+	+	+	+	+	+	+	+		High quality
Lang et al. [14]	+	+	+	+	+	+	+			Medium quality
Yoo et al. [25]	+	+	+	+	+	+	+	+	+	High quality
Siddiqui et al. [10]	+	+		+	+	+	+	+	+	High quality
Brimhall et al. [13]	+	+	+	+	+	+	+	+	+	High quality
Bang et al. [26]		+	+	+	+	+	+			Medium quality
Shah et al. [3]	+	+	+	+	+	+	+			Medium quality
Aburajab et al. [27]	+		+	+	+	+		+		Medium quality
Adler et al. [28]	+	+	+	+	+	+	+	+		High quality
Anderloni et al. [29]	+		+	+	+	+	+	+		Medium quality
Yang et al. [30]	+	+	+	+	+	+	+	+	+	High quality
Shin et al. [31]	+	+	+	+	+	+		+		Medium quality
Song et al. [32]	+		+	+	+	+	+			Medium quality

Selection: 1: representativeness of the exposed cohort; 2: selection of the nonexposed cohort; 3: ascertainment of exposure; 4: outcome of interest not present at start of study. Outcome assessment: 1: assessment of outcome; 2: adequacy of duration of follow-up; 3: adequacy of completeness of follow-up. Comparability: 1: study controls for confounder; 2: study controls for any additional factors.