Table 4 Univariate analysis of factors affecting overall survival
Variable | Category | Univariate analysis | ||
|---|---|---|---|---|
n | Median survival (months) | p value * | ||
Gender | Male | 43 | 9.1 | 0.109 |
Female | 20 | 14.3 | ||
Age (years) | <65 | 36 | 9.1 | 0.623 |
≥65 | 27 | 12.1 | ||
Tumor location | Head | 23 | 9.1 | 0.021 |
Body/tail | 40 | 12.9 | ||
Tumor size (cm) | <4.5 | 22 | 12.1 | 0.232 |
≥4.5 | 29 | 8.3 | ||
Missing | 12 | |||
Stage | Locally advanced | 31 | 15.7 | 0.029 |
Metastatic | 32 | 8.0 | ||
CA19-9 at diagnosis (U/mL) | ≥1000 | 25 | 6.6 | 0.003 |
<1000 | 33 | 14.3 | ||
Missing | 5 | |||
CEA at diagnosis (ng/mL) | >10 | 13 | 5.3 | 0.005 |
≤10 | 41 | 9.3 | ||
Missing | 9 | |||
Systemic chemotherapy | Yes | 26 | 18.5 | 0.001 |
No | 37 | 8.3 | ||
Concurrent chemotherapy | Yes | 27 | 16.0 | 0.002 |
No | 36 | 7.4 | ||
RIAC | Yes | 39 | 9.3 | 0.507 |
No | 24 | 10.4 | ||