Research Article

Different Types of Periampullary Duodenal Diverticula Are Associated with Occurrence and Recurrence of Bile Duct Stones: A Case-Control Study from a Chinese Center

Table 2

Cholangiopancreatic disorders and technical success of ERCP in different PAD subtypes.

Type 1
()
Type 2
()
Type 3
()
P value

Median age (yr) (range)65 (51–78)66 (24–90)58 (23–88)0.134
Gender: (%)
 Male9 (56.3)28 (62.2)46 (46.0)0.180
 Female7 (43.8)17 (37.8)54 (54.0)
PAD size (mean SD, mm)0.001
Biliary disorders: (%)
 CBD stones and gall stones 2 (12.5)3 (6.7)5 (5.0)0.508
 CBD stones only13 (81.3)26 (57.8)57 (57.0)0.177
 Gall stones only 1 (6.3)3 (6.7)8 (8.0)0.943
 Benign bile duct strictures0 (0.0)4 (8.9)9 (9.0)0.458
 Periampullary carcinoma0 (0.0)2 (4.4)9 (9.0)0.314
 Previous cholecystectomy9 (56.3)15 (33.3)39 (39.0)0.272
Pancreatic disorders: (%)
 Acute pancreatitis10 (62.5)13 (28.9)28 (28.0)0.020
 Chronic pancreatitis1 (6.3)2 (4.4)2 (2.0)0.549
Successful cannulation: (%)15 (93.8)44 (97.8)94 (94.0)0.607
Complications: (%)
 Post-ERCP pancreatitis2 (12.5)8 (17.8)16 (16.0)0.884
 Perforation0 (0.0)1 (2.2)1 (1.0)0.740

One-way analysis of variance for continuous variables and Pearson’s chi-square test or Fisher exact test for categorical variables.
CBD: common bile duct; ERCP: endoscopic retrograde cholangiopancreatography.