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©The Author(s) 2015.
World J Gastroenterol. Mar 28, 2015; 21(12): 3679-3693
Published online Mar 28, 2015. doi: 10.3748/wjg.v21.i12.3679
Published online Mar 28, 2015. doi: 10.3748/wjg.v21.i12.3679
Table 6 Descriptive characteristics of studies on the association between cholecystectomy and extrahepatic bile duct cancer
Ref. | Period of study | Study design | No. of cases | No. of controls | Exposure ascertainment | Outcome ascertainment | Follow-up (yr) | Effect estimate | Adjustments | Quality of publication |
Nogueira et al[21], 2014 | 1992-2005 | Case-control | 118/3681 | 2572/100000 | Medicare database | Cancer registry | > 6 | OR = 1.19 (0.98-1.43) | Age, gender, diabetes | 49 |
Chow et al[34], 1999 | 1977-1993 | Cohort | 16/42461 | NA | National registry | Cancer registry | ≥ 4 | 0.7 (0.3-1.4) | Age, gender, obesity, years of follow-up, other comorbidities | 33 |
Chen et al[29], 2014 | 2000-2010 | Cohort | 9/5850 | National database | Cancer registry | 10 | 2.22 (0.91-5.41) | Age, gender, comorbidities | 53 |
- Citation: Coats M, Shimi SM. Cholecystectomy and the risk of alimentary tract cancers: A systematic review. World J Gastroenterol 2015; 21(12): 3679-3693
- URL: https://www.wjgnet.com/1007-9327/full/v21/i12/3679.htm
- DOI: https://dx.doi.org/10.3748/wjg.v21.i12.3679