Risk factors for adverse outcome in low rectal cancer

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Jan 7, 2012 (publication date) through Feb 21, 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. Jan 7, 2012; 18(1): 64-69
Published online Jan 7, 2012. doi: 10.3748/wjg.v18.i1.64

Table 1 Characteristics of 331 patients with low rectal cancer

Characteristic	APR (%)n = 172	SPS (%)n = 159	Pvalue
Median age (yr)	56.0	58.0	0.334
Median tumor size (cm)	4.0	4.0	0.301
Median distance of tumor from the anal verge (cm)	3.0	5.0	< 0.001
Gender (male)	115 (66.9)	96 (60.4)	0.220
Positive resection margins	23 (13.4)	10 (6.3)	0.032
Histopathologic grade			0.238
Well	34 (19.8)	27 (17.0)
Moderate	102 (59.3)	108 (67.9)
Poor	36 (20.9)	24 (15.1)
pTNM stage			0.445
I	20 (11.6)	22 (13.8)
II	63 (36.6)	69 (43.4)
III	73 (42.4)	56 (35.2)
IV	16 (9.4)	12 (7.6)
Mucin production	14 (8.1)	10 (6.3)	0.517
Adjuvant chemotherapy	34 (19.8)	29 (18.2)
Year of surgery			0.001
1994-2001	101 (58.7)	65 (40.9)
2002-2005	71 (41.3)	94 (59.1)

APR: Abdominoperineal resection; SPS: Sphincter-preserving surgery.

Citation: Chen ZH, Song XM, Chen SC, Li MZ, Li XX, Zhan WH, He YL. Risk factors for adverse outcome in low rectal cancer. World J Gastroenterol 2012; 18(1): 64-69
URL: https://www.wjgnet.com/1007-9327/full/v18/i1/64.htm
DOI: https://dx.doi.org/10.3748/wjg.v18.i1.64