| Resection group | Control group | P value |
---|---|---|---|
 | (n = 15) | (n = 15) |  |
Age (y) | 46 (36–63) | 43 (26–63) | >0.999 |
Gender | Â | Â | >0.999 |
 Male | 12 (80%) | 12 (80%) |  |
 Female | 3 (20%) | 3 (20%) |  |
Presentation | Â | Â | >0.999 |
 Synchronous | 0 (0%) | 1 (6.7%) |  |
 Metachronous | 15 (100%) | 14 (93.3%) |  |
Abdominal symptom | Â | Â | 0.598 |
 Positive | 1 (6.7%) | 3 (20%) |  |
 Negative | 14 (93.3%) | 12 (80%) |  |
Interval from NPC to hepatic metastasis | Â | Â | 0.427 |
 <12 (mo) | 3 (20%) | 6 (40%) |  |
 ≥12 (mo) | 12 (80%) | 9 (60%) |  |
PFS (mo) | Â | Â | >0.999 |
 <12 (mo) | 7 (46.7%) | 8 (53.3%) |  |
 ≥12 (mo) | 8 (53.3%) | 7 (46.7%) |  |
EBERs | Â | Â | >0.999 |
 Positive | 15 (100%) | 15 (100%) |  |
 Negative | 0 (0%) | 0 (0%) |  |
Child-Pugh Grading | Â | Â | >0.999 |
 Grade A | 15 (100%) | 15 (100%) |  |
 Grade B | 0 (0%) | 0 (0%) |  |
Hepatitis virus B infection | Â | Â | >0.999 |
 Positive | 2 (13.3%) | 1 (6.7%) |  |
 Negative | 13 (86.7%) | 14 (93.3%) |  |