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Table 3 General condition of PCD interventions between the two groups

From: Triple guidance of choledochoscopy, ultrasonography, and computed tomography facilitates percutaneous catheter drainage of infected walled-off necrosis

Variable UC-PCD (n = 38) CUC-PCD (n = 35) p value
Interval between onset of AP and PCD 33.7 ± 4.7 34.3 ± 5.3 0.612
Puncture points (n [%])    0.640
 Subxiphoid 5 [13] 4 [11]  
 Left midaxillary line 10 [26] 8 [23]  
 Left posterior axillary line 8 [21] 13 [37]  
 Right midaxillary line 7 [18] 4 [11]  
 Right posterior axillary line 8 [21] 6 [17]  
Upsizing of catheter (n [%])    0.048*
 12–16 Fr 6 [16] 0  
 16–20 Fr 3 [8] 1 [3]  
 20–24 Fr 1 [3] 2 [6]  
PCD catheter duration (days) 30.2 ± 8.7 22.8 ± 8.7 0.001**
Times of necrosectomy (n [%]) 7 [18] 14 [40] 0.042*
 Once 4 [11] 12 [34]  
 Multiple times 3 [8] 2 [6]  
  1. PCD, percutaneous catheter drainage
  2. *p < 0.05, **p < 0.01