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Table 1 Characteristics of patients, primary tumors, and metastases

From: ALPPS (associating liver partition and portal vein ligation for staged hepatectomy) does not affect proliferation, apoptosis, or angiogenesis as compared to standard liver resection for colorectal liver metastases

  ALPPS (n = 6) Standard liver resection (n = 11) p value
Age 67.1 ± 3.48 64.1 ± 3.45 0.522
Male/female 4/2 5/6 0.620
T stage    
 1 0 0 1.0
 2 1 1 1.0
 3 3 7 0.644
 4 2 3 1.0
N stage    
 0 3 4 0.644
 1 2 3 1.0
 2 1 4 0.6
Grading    
 1 0 0 1.0
 2 4 8 1.0
 3 2 3 1.0
Number of metastases 3.12 ± 1.28 2.56 ± 0.55 0.607
Size of metastases 6.80 ± 1.46 4.06 ± 0.55 0.126
Syn/meta 3/3 6/5 1.0
Preoperative chemotherapy 2 4 1.0
 Tumor size at the time of diagnosis (before preoperative chemotherapy)a 4.90 ± 1.60 2.95 ± 1.20 0.161
 Tumor size before resection (after preoperative chemotherapy)a 2.85 ± 0.15 2.35 ± 1.01 0.547
  1. aBased on CT scan