Table 2.

Liver metastases-related characteristics in 30 patients with liver metastases from Nasopharyngeal Carcinoma

	Resection group	Control group	P value
	(n = 15)	(n = 15)
Lesion numbers			>0.999
<3	12 (80%)	11 (73.3%)
≥3	3 (20%)	4 (26.7%)
Size of largest metastasis (cm)			0.450
<5	8 (53.3%)	11 (73.3%)
≥5	7 (46.7%)	4 (26.7%)
Pathological type			>0.999
Undifferentiated	15 (100%)	15 (100%)
Other types	0 (0%)	0 (0%)
Dose of Primary Radiotherapy (Gy)			>0.999
Nasopharyngeal	70 (68–76)	70 (66–78)
Regional lymph nodes	66 (50–68)	64 (50–70)
Adjuvant chemotherapy cycles of NPC			0.390
<3	10 (66.7%)	13 (86.7%)
≥3	5 (33.3%)	2 (13.3%)
Pre-resection/TACE comorbidities
Present	3 (20%)	4 (26.7%)	>0.999
Absent	12 (80%)	11 (73.3%)
Post-resection/TACE comorbidities			0.651
Present	2 (13.3%)	4 (26.7%)
Absent	13 (86.7%)	11 (73.3%)
Hospital mortality	0 (0%)	0 (0%)	>0.999

Continuous data were expressed as median (range).

Categorical variables were reported with (%).

NPC: nasopharyngeal carcinoma.

TACE: trans-hepatic arterial chemoembolization.