Table 2.
Effect of tumor stage and lymph node status on survival in small (≤2 cm) and large (>2 cm) PaC
| Parameter | Small PaC (n = 41) |
Large PaC (n = 94) |
pc | ||||
|---|---|---|---|---|---|---|---|
| 5-year survival | median survival, months | pa | 5-year survival | median survival, months | pb | ||
| All cases | 17 (41%) | 38 | 14 (14%) | 17 | <0.01 | ||
| Tumor stage | |||||||
| I | 21 (52%) | 22 | 17 (18%) | 17 | NS | ||
| II | 11 (27%) | 27 | NS | 24 (26%) | 20 | NS | NS |
| III | 18 (44%) | 60 | 6 (6%) | 16 | <0.01 | ||
| IVa | 1 (0%) | 6 | 22 (23%) | 18 | 0.02 | ||
| Lymph nodes | |||||||
| Negative | 16 (39%) | 27 | NS | 24 (25%) | 20 | 0.02 | NS |
| Positive | 18 (44%) | 60 | 5 (5%) | 16 | <0.01 | ||
| Adjuvant chemoradiation | |||||||
| Yes | 19 (45%) | 45 | <0.01 | 8 (9%) | 16 | NS | <0.01 |
| No | 1 (0%) | 12 | 36 (38%) | 18 | NS | ||
a
Between subgroups of small PaC.
b
Between subgroups of large PaC.
c
Between small and large PaC.