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©The Author(s) 2019.
World J Gastrointest Endosc. Mar 16, 2019; 11(3): 231-238
Published online Mar 16, 2019. doi: 10.4253/wjge.v11.i3.231
Published online Mar 16, 2019. doi: 10.4253/wjge.v11.i3.231
Table 1 Comparison of patient characteristics between the positive group and the negative group
P group (n = 76) | N group (n = 19) | P value | |
Age (yr) | 75 (29-90) | 68 (43-82) | 0.012 |
Males | 60 (78.9) | 12 (63.2) | 0.229 |
Received antithrombotic drugs | 14 (18.4) | 0 (0) | 0.064 |
Location of tumor (distal/hilar) | 45/31 | 8/11 | 0.205 |
UICC stage (1/2/3/4) | 27/29/10/10 | 7/7/3/2 | 0.91 |
Cholangitis within the last month | 10 (13.2) | 3 (15.8) | 0.719 |
Table 2 Comparison of endoscopic retrograde cholangiopancreatography -related procedures between the positive group and the negative group
P group (n = 76) | N group (n = 19) | P value | |
Number of ERCP sessions (1/2) | 72/4 | 15/4 | 0.048 |
EST | 74 (97.4) | 17 (89.5) | 0.177 |
Diagnosability of bile or brush or ENBD cytology | 16/681 (23.5) | 5/19 (26.3) | 0.77 |
Cup diameter of biopsy forceps (1 mm/2 mm) | 8/68 | 2/17 | 1.0 |
Total number of biopsies | 2 (1 - 6) | 2 (1 - 7) | 0.039 |
Number of biopsies before biliary stenting | 2 (1 - 4) | 2 (1 - 3) | 0.119 |
Number of biopsies after biliary stenting | 2 (1 - 4) | 1 (1 - 6) | 0.065 |
PEP | 4 (5.3) | 0 (0) | 0.58 |
Moderate | 2 | ||
Severe | 2 |
Table 3 Univariate analysis of biliary biopsy positivity
P group (n = 76) | N group (n = 19) | P value | |
Total number of biopsies ≤ 1 | 32 (42.1) | 4 (21.1) | 0.116 |
Total number of biopsies ≤ 2 | 62 (81.6) | 12 (63.1) | 0.120 |
Total number of biopsies ≤ 3 | 69 (90.8) | 15 (78.9) | 0.222 |
Number of ERCP sessions < 2 | 72 (94.7) | 15 (78.9) | 0.048 |
Table 4 Multivariate stepwise analysis of biliary biopsy positivity
OR | 95%CI | P value | |
Number of ERCP sessions < 2 | 4.8 | 1.08-21.4 | 0.04 |
- Citation: Takagi T, Sugimoto M, Suzuki R, Konno N, Asama H, Sato Y, Irie H, Watanabe K, Nakamura J, Kikuchi H, Takasumi M, Hashimoto M, Hikichi T, Ohira H. Appropriate number of biliary biopsies and endoscopic retrograde cholangiopancreatography sessions for diagnosing biliary tract cancer. World J Gastrointest Endosc 2019; 11(3): 231-238
- URL: https://www.wjgnet.com/1948-5190/full/v11/i3/231.htm
- DOI: https://dx.doi.org/10.4253/wjge.v11.i3.231