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Table 4 Univariate survival analyses of CRC patients in non-operated group according to various clinicopathological variables

From: The prognostic significance of age in operated and non-operated colorectal cancer

Variable n 5-year CCSS (%) Log rankχ2test P
Years of diagnosis    8.182 0.004
1996-2000 7617 16.6%   
2001-2005 14623 16.5%   
Sex    19.224 <0.001
Male 11622 16.7%   
Female 10618 16.3%   
Site    443.334 <0.001
Colon 15119 14.8%   
Rectum 7121 20.1%   
Age    257.702 <0.001
15-30 98 21.2%   
31-40 416 20.3%   
41-50 1594 18.4%   
51-60 3150 19.7%   
61-70 4318 18.3%   
71-80 6017 16.7%   
>80 6647 11.9%   
Race    26.525 <0.001
Caucasian 17250 16.5%   
African American 3218 12.2%   
Others* 1772 23.9%   
Pathological grading    812.382 <0.001
I- II 11275 19.9%   
III-IV 3113 9.2%   
Unknown 7852 14.4%   
Histological Type    116.240 <0.001
Adenocarcinoma 20362 17.2%   
Mucinous/Signet ring cancer 1878 9.3%   
AJCC stage    1115.463 <0.001
I 82 74.8%   
II 189 64.7%   
III 128 46.0%   
IV 12202 3.5%   
Unknown 9639 32.8%   
  1. *Including other (American Indian/AK Native, Asian/Pacific Islander) and unknowns.