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Table 4 Univariate analysis of variables correlated with overall survival

From: Prognostic factors in nasopharyngeal carcinoma with synchronous liver metastasis: a retrospective study for the management of treatment

Characteristic 3-year OS (%) HR (95% CI) P-value
KPS: ≤70/>70 0.0 (16.2) 5.76 (3.09-10.69) <0.01a
Gender: male/female 11.5 (28.6) 0.92 (0.59-1.43) 0.71
Age: >50/≤50 years 12.5 (15.6) 1.13 (0.53-1.30) 0.34
ALT(IU/I): >40 /≤40 3.8 (18.6) 2.17 (1.32-3.57) <0.01a
Hemoglobin (g/L): <120/≥120 9.1 (14.9) 1.71 (0.87-3.36) 0.11
LDH (IU/I): ≥245/<245 9.3 (22.6) 1.67 (1.17-2.43) <0.01a
ALP (IU/I): ≥110/<110 6.9 (16.1) 1.45 (0.91-2.31) 0.11
Number of lesions: >3/≤3 6.0 (25.7) 1.90 (1.19-3.03) 0.01a
Size of lesions (cm): >3/≤3 6.3 (18.9) 1.22 (0.76-1.94) 0.40
Extrahepatic metastases: yes/no 2.8 (22.4) 1.83 (1.16-2.89) 0.01a
Radiotherapy of primary tumor: no/yes 5.7 (28.1) 2.961 (1.79-4.75) <0.01a
Cycles of chemotherapy: (1-5) vs. ≥6 8.6 (18.6) 2.20 (1.38-3.52) 0.01a
Response to chemotherapy: no/yes 0.0 (19.2) 4.03 (2.30-7.06) <0.01a
Local therapy of lesions: no/yes 10.4 (27.8) 1.76 (1.02-3.04) 0.05a
  1. astatistically significant; HR: hazard ratio; CI: confidence interval.