From: Prognosis of screen-detected breast cancers: results of a population based study
Stage | Distribution of those exposed to screening | Time of mean follow-up in thoxe exposed to screening (months) | Distribution in non screen-detected | Time of mean follow-up in non-screen-detected (months) | Differences between mean follow-up (months) |
---|---|---|---|---|---|
I | 357 | 54.13 | 199 | 54.01 | 0.12 |
II | 115 | 51.39 | 156 | 48.49 | 2.9 |
III | 2 | 50.58 | 30 | 49 | 1.56 |
IV | 8 | 32.57 | 26 | 36.32 | -3.75 |