| 1 | A | B | C | D | E | F | G |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 2 | cumulative number of lung cancer deaths and percent mortality reduction due to low-dose computed tomography screening, by study year, cancer risk management model-lung cancer (crmm-lc) screening model and national lung screening trial |  |  |  |  |  |  |
| 3 | study year | screen arm |  | control arm |  | mortality reduction |  |
| 4 |  | crmm-lc | nlst | crmm-lc | nlst | crmm-lc | nlst |
| 5 | 1 | 35 | 31 | 41 | 38 | -14 | -18 |
| 6 | 2 | 103 | 88 | 127 | 108 | -19 | -19 |
| 7 | 3 | 175 | 155 | 226 | 191 | -22 | -19 |
| 8 | 4 | 255 | 239 | 332 | 284 | -23 | -16 |
| 9 | 5 | 355 | 312 | 449 | 371 | -21 | -16 |
| 10 | 6 | 469 | 397 | 572 | 487 | -18 | -18 |
| 11 | 7 | 601 | 467 | 703 | 552 | -15 | -15 |
| 12 | 8 | 737 | 469 | 834 | 552 | -12 | -15 |

Question: what was the percentage of a maximum mortality reduction of the crmm-lc?
Answer: 23

Question: what was the percentage of a maximum mortality reduction from nlst data?
Answer: 19