Prognostic factors analysis of ultrasound-guided percutaneous puncture drainage in severe acute pancreatitis with peripancreatic fluid collection

Table 5 Clinical outcomes stratified by fluid collection type, n (%)/median (interquartile range)

Outcome parameter	APFC/pseudocyst (n = 58)	WON (n = 76)	OR/difference	P value
Clinical success rate	52 (89.7)	44 (57.9)	5.82 (2.11-16.06)	< 0.001
Days to clinical improvement	5.2 (3.8-7.4)	9.8 (6.4-14.6)	-4.6	< 0.001
Catheter dwell time (days)	8.4 (5.6-12.8)	18.6 (12.4-26.8)	-10.2	< 0.001
Catheter blockage requiring exchange	4 (6.9)	22 (28.9)	0.19 (0.06-0.59)	0.001
Secondary infection	6 (10.3)	22 (28.9)	0.28 (0.10-0.77)	0.008
Need for necrosectomy	2 (3.4)	20 (26.3)	0.10 (0.02-0.45)	< 0.001
In-hospital mortality	2 (3.4)	16 (21.1)	0.13 (0.03-0.61)	0.003

APFC: Acute peripancreatic fluid collection; WON: Walled-off necrosis; OR: Odds ratio.