Evaluate the collective function of references cited together in a given text segment.
Classify their combined role into one of the following categories: 'method', 'background', or 'result'.

Text:Moreover, this idea is supported by a recently published meta-analysis that analyzed 11 studies and depicted that long-term and well-described short-term outcomes suggest that colonic stenting as a bridge to surgery could be a promising alternative strategy for patients with MLBO.16
 Meanwhile, a Danish nationwide cohort study reported a higher 5-year recurrence risk in the SEMS group (39% vs. 30%), but with similar 5-year overall survival rate.17 Whether the increased recurrence risk of patients with colonic stenting compared to those that performed primary surgery is a result of perforation or other prognostic factors, it is still unknown.
Category: