Retrospective Cohort Study
Copyright ©The Author(s) 2023.
World J Gastrointest Surg. Dec 27, 2023; 15(12): 2747-2756
Published online Dec 27, 2023. doi: 10.4240/wjgs.v15.i12.2747
Figure 1
Figure 1  The study flow diagram.
Figure 2
Figure 2  The outcomes of methodological quality assessment of the included studies using the Quality Assessment of Diagnostic Accuracy Studies 2 criteria.
Figure 3
Figure 3 Results of receiver operating characteristic curve analyses of Hajibandeh index. A: Presence of contamination; B: Purulent contamination; C: Feculent contamination.
Figure 4
Figure 4 Forest plot of the area under the curve of Hajibandeh index. A: Presence of intraperitoneal contamination; B: Purulent contamination; C: Feculent contamination. AUC: Area under the curve; CI: Confidence interval.