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 3
Univariate analysis of the risk factors for recurrence of symptomatic CBD stones.
Recurrence group ()
Nonrecurrence group ()
value
Median age (yr) (range)
62.5 (44–78)
61 (27–90)
0.360
Gender: (%)
Male
18 (56.3)
131 (48.7)
0.419
Female
14 (43.8)
138 (51.3)
CBD diameter (mean ± SD, mm)
14.5 ± 4.6
14.3 ± 8.3
0.957
CBD stone size (mean ± SD, mm)
11.5 ± 6.4
11.5 ± 7.1
0.984
CBD stone number: (%)
1
8 (25.0)
93 (34.6)
0.278
2
24 (75.0)
176 (65.4)
PAD: (%)
18 (56.3)
79 (29.4)
0.002
Type 1
6 (18.8)
7 (2.6)
Type 2 + type 3
12 (37.5)
72 (26.8)
Prior cholecystectomy: (%)
25 (78.1)
141 (52.4)
0.006
ERCP attempt: (%)
1
26 (81.2)
239 (88.8)
0.211
2
6 (18.8)
30 (11.2)
Lithotripsy: (%)
6 (18.8)
37 (13.8)
0.445
EST: (%)
22 (68.8)
214 (79.6)
0.160
EPBD: (%)
24 (75.0)
221 (82.2)
0.325
Successful cannulation: (%)
31 (88.1)
256 (93.4)
0.665
Student’s -test for continuous variables and Pearson’s chi-square test for categorical variables. CBD: common bile duct; EST: endoscopic sphincterotomy; EPBD: endoscopic papillary balloon dilation.