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©The Author(s) 2018.
World J Gastroenterol. Feb 28, 2018; 24(8): 905-916
Published online Feb 28, 2018. doi: 10.3748/wjg.v24.i8.905
Published online Feb 28, 2018. doi: 10.3748/wjg.v24.i8.905
Table 4 Risk factors for post-polypectomy colorectal cancer distinct from index AA/TSA/ASSA site
| Risk factors | Univariate analysis, HR (95%CI) | P value | Multivariate analysis, HR (95%CI) | P value |
| Male sex (M:F) | 0.79 (0.40-1.57) | 0.50 | - | - |
| Age at polypectomy (≥ 70) | 3.68 (1.82-7.48) | < 0.01 | 3.02 (1.23-7.41) | 0.02 |
| Polyp size (≥ 20 mm) | 1.93 (0.77-4.83) | 0.16 | - | - |
| Degree of dysplasia (High: Low) | 1.41 (0.65-3.08) | 0.39 | - | - |
| Polyp location (Left colon: Right) | 0.15 (0.07-0.34) | < 0.01 | 0.23 (0.08-0.63) | < 0.01 |
| Polyp location (Rectum:Right colon) | 0.22 (0.07-0.68) | < 0.01 | 0.23 (0.05-1.00) | 0.05 |
| Number of polyps resected at polypectomy (> 3 polyps) | 2.94 (1.14-7.54) | 0.03 | 4.05 (1.38-11.90) | 0.01 |
| Polypectomy device used (Hot snare:Cold snare) | 0.64 (0.22-2.34) | 0.24 | - | - |
| Polyp shape (Flat/sessile: Pedunculated) | 8.0 (2.62-24.05) | < 0.01 | 3.92 (1.10-14.04) | 0.04 |
| Piecemeal removal (Yes:No) | 1.68 (0.67-4.22) | 0.27 | - | - |
| Injection-assisted EMR (Yes:No) | 0.70 (0.19-2.60) | 0.59 | - | - |
- Citation: Mouchli MA, Ouk L, Scheitel MR, Chaudhry AP, Felmlee-Devine D, Grill DE, Rashtak S, Wang P, Wang J, Chaudhry R, Smyrk TC, Oberg AL, Druliner BR, Boardman LA. Colonoscopy surveillance for high risk polyps does not always prevent colorectal cancer. World J Gastroenterol 2018; 24(8): 905-916
- URL: https://www.wjgnet.com/1007-9327/full/v24/i8/905.htm
- DOI: https://dx.doi.org/10.3748/wjg.v24.i8.905