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. 2017 Nov 21;5(12):E1189–E1196. doi: 10.1055/s-0043-120831

Table 4. Cumulative number of patients needing direct endoscopic necrosectomy after bi-flanged metal stent or lumen-apposing metal stent placement.

BFMS (n = 40) LAMS (n = 32) P value 1
Time to DEN after stent placement, n (%)

  • 1 – < 4 weeks

 25 (63) 20 (63)  > 0.99

  • 4 – < 8 weeks

 12 (30)  7 (22) 0.59

  • ≥ 8 weeks

  7 (18)  1 (3) 0.14

BFMS, bi-flanged metal stent; LAMS, lumen-apposing metal stent; DEN, direct endoscopic necrosectomy.

1

The Chi-square or Fisher’s exact test was applied to calculate the P value.