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Factors implicated in the prognosis of SCCA, as derived from the randomised trials
| Prognostic factors | Overall survival | Disease-free survival | Locoregional recurrence | Colostomy rate | Anal-cancer-associated death |
|---|---|---|---|---|---|
| Sex | Yes | Yes | Yes | ||
| N stage | Yes | Yes | Yes | ||
| T stage/tumor size (>5 cm) | Yes | Yes | Yes | ||
| Ulceration | Yes | Yes | |||
| Low Hb | Yes | ||||
| Degree of differentiation | Yes |
