Brief Article
Copyright ©2012 Baishideng Publishing Group Co.
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
CharacteristicAPR (%)n = 172SPS (%)n = 159Pvalue
Median age (yr)56.058.00.334
Median tumor size (cm)4.04.00.301
Median distance of tumor from the anal verge (cm)3.05.0< 0.001
Gender (male)115 (66.9)96 (60.4)0.220
Positive resection margins23 (13.4)10 (6.3)0.032
Histopathologic grade0.238
Well34 (19.8)27 (17.0)
Moderate102 (59.3)108 (67.9)
Poor36 (20.9)24 (15.1)
pTNM stage0.445
I20 (11.6)22 (13.8)
II63 (36.6)69 (43.4)
III73 (42.4)56 (35.2)
IV16 (9.4)12 (7.6)
Mucin production14 (8.1)10 (6.3)0.517
Adjuvant chemotherapy34 (19.8)29 (18.2)
Year of surgery0.001
1994-2001101 (58.7)65 (40.9)
2002-200571 (41.3)94 (59.1)