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Table 1 Clinicopathological factors in 30 patients with liver metastases from Nasopharyngeal Carcinoma

From: Partial hepatectomy for liver metastases from nasopharyngeal carcinoma: a comparative study and review of the literature

  Resection group Control group P value
  (n = 15) (n = 15)  
Age (y) 46 (36–63) 43 (26–63) >0.999
Gender    >0.999
 Male 12 (80%) 12 (80%)  
 Female 3 (20%) 3 (20%)  
Presentation    >0.999
 Synchronous 0 (0%) 1 (6.7%)  
 Metachronous 15 (100%) 14 (93.3%)  
Abdominal symptom    0.598
 Positive 1 (6.7%) 3 (20%)  
 Negative 14 (93.3%) 12 (80%)  
Interval from NPC to hepatic metastasis    0.427
 <12 (mo) 3 (20%) 6 (40%)  
 ≥12 (mo) 12 (80%) 9 (60%)  
PFS (mo)    >0.999
 <12 (mo) 7 (46.7%) 8 (53.3%)  
 ≥12 (mo) 8 (53.3%) 7 (46.7%)  
EBERs    >0.999
 Positive 15 (100%) 15 (100%)  
 Negative 0 (0%) 0 (0%)  
Child-Pugh Grading    >0.999
 Grade A 15 (100%) 15 (100%)  
 Grade B 0 (0%) 0 (0%)  
Hepatitis virus B infection    >0.999
 Positive 2 (13.3%) 1 (6.7%)  
 Negative 13 (86.7%) 14 (93.3%)  
  1. Continuous data were expressed as median (range).
  2. Categorical variables were reported with (%).
  3. PFS: progression-free survival from diagnosis of NPC to discovery of liver metastasis.3.
  4. EBERs: Epstein-Barr -Virus encoded small RNAs.
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