| 1 | A | B | C |
| --- | --- | --- | --- |
| 2 | calibration parameters to adjust baseline survival of screen-detected non-small-cell cancers to match stage-specific survival curves and reported mortality reductions in national lung screening trial |  |  |
| 3 | stage of screen-detected cancer | relative risk applied to baseline survival | lead-time redistribution scalars |
| 4 | i | 0.8 | 1.3 |
| 5 | ii | 1 | 0.4 |
| 6 | iii | 1 | 0.3 |
| 7 | iv | 1 | 0.25 |

Question: which stage of screen-detected cancer were lead time estimated to be longer for cancers detected at?
Answer: i