Table 3.

The main postoperative characteristics of all five patients in this study

Characteristics	Case 1	Case 2	Case 3	Case 4	Case 5
Time of postoperative fasting (d)	7	7	7	1	1
Time of nasal-cyst tube indwelling (d)	15	8	7	-	-
Average daily fluid collection via nasal cyst tube (mL)	172	339	97	-	-
Postoperative endoscopic management	The nasocystic tube was reverted to internal drainage 15 d later, and finally removed 3 mo later	One more necrosectomy 1 wk later	A LAMS was placed in another separate WON 16 d after EGF, but removed 1 wk later due to stent-related hemorrhage	One more necrosectomy 1 wk later	One more necrosectomy 1 wk later
Complications	Recurrent infection of WON during initial internal drainage	None	EGF: None.LAMS drainage: Stent-related hemorrhage	None	None
Total endoscopic procedural cost during hospitalization and follow-up ($)	4182.6	2427.2	5852.7	2408.3	2265.9
Overall cost of hospitalization and follow-up ($)	14684.2	7349.1	20198.3	10504.5	12641.4
Postoperative hospital stay (d)	24	12	36	8	9
Time to WON disappearance (d)	92	20	WON underwent EGF: 14WON underwent LAMS drainage: 84	14	21
Time of follow-up (mo)	16	13	12	6	5
Recurrence of WON	No	No	No	No	No

LAMS: Lumen-apposing metal stent; WON: Walled-off necrosis; EGF: Endoscopic gastric fenestration.