Effects of endoscopic sphincterotomy on biliary epithelium: A case-control study

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Feb 28, 2012 (publication date) through Feb 11, 2025

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World Journal of Gastroenterology

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1007-9327

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

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World J Gastroenterol. Feb 28, 2012; 18(8): 794-799
Published online Feb 28, 2012. doi: 10.3748/wjg.v18.i8.794

Table 4 Subgroup analysis of the patients with atypia vs all others n (%)

	Atypical/indeterminate	Negative for malignancy	P value
Patients	10	40
Median age (yr)	69.5 (SD = 11.3)	74.5 (SD = 12.1)	0.26²
Sex, male/female	3/7	20/20	0.25¹
Previous ES	8 (80)	17 (42)	0.034¹
Acute cholangitis	5 (50)	16 (40)	0.56¹
Previous biliary operation	6 (60)	19 (47)	0.48¹
Stone extraction	5 (50)	22 (55)	0.77¹
Dilated bile ducts without lithiasis on ERCP	4 (40)	18 (45)	0.78¹
p53 immunocytology
Positive	2	0
Negative	8	40

¹Estimated P values were calculated using the χ² test;

²Estimated P value was calculated using the Mann-Whitney test. ES: Endoscopic sphincterotomy; ERCP: Endoscopic retrograde cholangiopancreatography.

Citation: Kalaitzis J, Vezakis A, Fragulidis G, Anagnostopoulou I, Rizos S, Papalambros E, Polydorou A. Effects of endoscopic sphincterotomy on biliary epithelium: A case-control study. World J Gastroenterol 2012; 18(8): 794-799
URL: https://www.wjgnet.com/1007-9327/full/v18/i8/794.htm
DOI: https://dx.doi.org/10.3748/wjg.v18.i8.794