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Table 1 Patients' characteristics

From: Interventionally implanted port catheter systems for hepatic arterial infusion of chemotherapy in patients with colorectal liver metastases: A phase II-study and historical comparison with the surgical approach

  Group A: Interventional Group B: Surgical
Age (median/range) 60 (28–77) 59 (31–71)
Sex (f/m) 18/23 14/26
Primary tumour:   
   colon/rectum 27/14 26/14
   grading (G1/G2/G3/Gx) 1/26/12/2 0/29/10/1
Number of liver metastases:   
   solitary/2–4/> 4 12/3/26 16/3/21
Occurrence of metastases   
   synchron/metachron 19/22 24/16
Pre-treatment:   
   Resection of primary 40 40
   Hepatic resection/ablation 17 11
   Adjuvant radiotherapy/chemotherapy radiochemotherapy 13 11
   Palliative chemotherapy 17 9
   more than 1 palliative pre-treatment * 9 0
Elevated CEA 29 32
Elevated Alkaline phosphatase * 30 16
  1. * only significant values are indicated