Table 5.
The effects of alterations on survival after reclassification of anatomic stages to pathologic prognostic stages.
| Anatomic stage group | Pathologic prognostic stage group | 10-year DFS | 10-year DSS | ||||||
|---|---|---|---|---|---|---|---|---|---|
|
| |||||||||
| Stage | n | Alteration | n | % | χ2 | p | % | χ2 | p |
| IA | 90 | Unchanged (IA) | 77 | 91.4 | 0.319 | 0.572 | 97.5 | 0.382 | 0.536 |
| +1 upstaged (IB) | 13 | 83.3 | 91.7 | ||||||
|
| |||||||||
| IB | 1 | – | – | – | – | – | – | – | – |
|
| |||||||||
| IIA | 77 | Unchanged (IIA) | 24 | 87.5 | 0.101 | 0.951 | 86.7 | 0.166 | 0.920 |
| −1 downstaged (IB) | 23 | 84 | 88.2 | ||||||
| −2 downstaged (IA) | 30 | 85.4 | 96.6 | ||||||
|
| |||||||||
| IIB | 58 | Unchanged (IIB) | 15 | 70 | 14.242 | 0.03 | 67.7 | 6.927 | 0.074 |
| +1 upstaged (IIIA) | 4 | – | – | ||||||
| −1 downstaged (IIA) | 19 | 49.3 | 66.1 | ||||||
| −2 downstaged (IB) | 20 | 94.7 | 94.7 | ||||||
|
| |||||||||
| IIIA | 44 | Unchanged (IIIA) | 11 | 27.3 | 14.223 | 0.003 | 30.7 | 11.259 | 0.010 |
| +2 upstaged (IIIC) | 4 | – | – | ||||||
| −1 downstaged (IIB) | 16 | 80.8 | 80.4 | ||||||
| −3 downstaged (IB) | 13 | 91.7 | 91.7 | ||||||
|
| |||||||||
| IIIB | 2 | – | – | – | – | – | – | – | – |
|
| |||||||||
| IIIC | 17 | Unchanged (IIIC) | 3 | – | 0.130 | 0.937 | – | 0.037 | 0.982 |
| −1 downstaged (IIIB) | 9 | – | – | ||||||
| −2 downstaged (IIIA) | 5 | – | – | ||||||
DFS – disease free survival; DSS – disease specific survival; χ2 – chi-square test.