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Table 1 Patient demographics and clinical characteristics

From: Prognostic impact of additive chemotherapy after curative resection of metachronous colorectal liver metastasis: a single-centre retrospective study

  Total (n = 75) Resection only (n = 41) Resection plus additive CTx (n = 34) p value
n % n % n %
Age, years
 Median 65   65   65   ns
 Range 35–85   42–84   35–85   
Sex
 Male 48 64.0 25 61.0 23 67.6 ns
 Female 27 36.0 16 39.0 11 32.4  
Primary tumor
 Colon 44 58.7 23 56.1 21 61.8 ns
  Right 14 31.8 4 17.4 10 47.6  
  Left 30 68.2 19 82.6 11 52.4  
 Rectum 31 41.3 18 43.9 13 38.2  
Primary nodal status
 N0 31 45.9 14 34.1 17 50.0 ns
 N1/2 43 54.1 27 65.9 16 47.1  
Time between primary and hepatic resection
  < 12 months 28 36.5 14 34.1 14 39.4 ns
  > 12 Months 47 63.5 27 65.9 20 60.6  
CEA before hepatic resection, ng/ml
 Median 22.97   22.86   23.12   ns
 Range 1.1–150   1.6–150   1.1–137   
Number of CRLM
  < 5 70 93.3 38 92.7 32 88.2 ns
  > 5 4 5.3 3 7.3 1 2.9  
Size of greatest CRLM        
  < 5 cm 62 82.7 32 78.0 30 88.2 ns
  > 5 cm 9 12.0 6 14.6 3 8.8  
Neoadjuvant CTx
 No 62 81.1 35 85.4 27 79.4 ns
 Yes 13 18.9 6 14.6 7 20.6  
Surgical procedure
 Minor liver resection 27 36.0 16 39.0 11 32.4 ns
 Major liver resection 48 64.0 25 61.0 23 67.6