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Table 2 Comparison of NKF and TPS groups

From: Comparison between transpancreatic sphincterotomy and needle-knife fistulotomy in difficulty biliary access, a retrospective study in Taiwan

 TPS (n = 31)NKF (n = 47)p
 Male, n (%)14 (45.2)27 (57.5)0.28
 Age, mean (SD)71.2 (14.5)68.5 (12.9)0.39
ERCP indication
 CBD stone, n (%)19 (61.3)20 (42.6)0.11
 Pancreatic neoplasm, n (%)8 (25.8)15 (31.9)0.56
 Cholangiocarcinoma, n (%)2 (6.5)2 (4.3)0.67
 Others (CP, other malignancy), n (%)2 (6.5)10 (21.3)0.08
Pancreatic duct – cannulation
 P – cannulation < 3, n (%)6 (19.4)43 (91.5)<  0.001
 P – cannulation ≥3, n (%)16 (51.6)4 (8.5)<  0.001
 P – cannulation > 5, n (%)6 (19.4)0 (0)0.002
 P – cannulation > 8, n (%)2 (9.7)0 (0)0.03
 P – cannulation, median (IQR)4.5 (3)0 (0)0.002
Endoscopic finding
 Diverticulum, n (%)6 (23.1)4 (8.5)0.03
Deep cannulation, n (%)
 Success23 (74.2)39 (83.0)0.34
 TPS + NKF3 (9.7)  
 Failure4 (12.9)8 (17) 
Post – cannulation procedure, n (%)
 EPLBD3 (9.7)5 (10.6)0.891
EPBD7 (22.6)5 (10.6)0.15
 ERBD (plastic stent)8 (25.8)18 (38.3)0.25
 metallic stent0 (0)6 (12.7)0.04
 Lithotripsy14 (45.2)15 (31.9)0.236
PEP prophylaxis, n (%)
 Nil13 (41.9)34 (72.3)0.007
 P - stenting4 (12.9)6 (12.8)0.99
 Gabexate Mesilae12 (38.7)5 (10.6)0.003
 NSAIDs02 (4.26)0.24
 Gabexate Mesilae + NSAIDs5 (16.1)3 (6.4)0.17
  1. TPS Transpancreatic sphincterotomy, NKF needle knife fistulotomy, ERCP Endoscopic retrograde cholangiopancreaticography, PEP post-ERCP pancreatitis, NKP needle knife papillotomy, CBD common bile duct, EPBD endoscopic papillary balloon dilatation (balloon diameter less than 12 mm), EPLBD endoscopic papillary large balloon dilatation (large-diameter balloons (12–20 mm)), ERBD endoscopic retrograde biliary drainage, NSAID Non-Steroidal Anti-Inflammatory Drug, CP chronic pancreatitis