Table 1 Univariate analysis of potential prognostic factors
Variables | Survival time (median ± SE, year) | 1-year survival rate, % | 3-year survival rate, % | P value |
|---|---|---|---|---|
Gender | 0.398 | |||
Male | 33 ± 15.8 | 58.4 | 41.7 | |
Female | 98 ± 55.5 | 73.2 | 57.6 | |
Age (years) | 0.049 | |||
< 55 | None | 72.7 | 68.1 | |
≥ 55 | 22 ± 7.9 | 59.1 | 27.9 | |
Locations | 0.477 | |||
Head | 48 ± 26.5 | 70.8 | 58.8 | |
Body-tail | 33 ± 16.4 | 71.2 | 41.9 | |
Size (cm) | 0.092 | |||
< 10 | 33 ± 17.6 | 74.3 | 67.5 | |
≥ 10 | None | 67.9 | 43.6 | |
Gross morphology | 0.142 | |||
Solid | None | 75.6 | 56.7 | |
Cystic | 12 ± 3.3 | 40 | 20 | |
Mixed | None | 80 | 80 | |
Distant metastasis | 0.007 | |||
Yes | 12 ± 6.3 | 50.0 | 0 | |
No | 98 ± 46.1 | 76.6 | 63.6 | |
Adjacent organs/vessels invasion | 0.011 | |||
Yes | 6 ± 1.4 | 25.0 | 25.0 | |
No | 48 ± 29.4 | 82.8 | 56.6 | |
Radical resection | 0.000 | |||
Yes | 98 ± 45.2 | 80.5 | 72.2 | |
No | 8 ± 3.5 | 40.3 | 0 |