Table 2.
Outcomes and definitions
| % (n = 47) articles | |
|---|---|
| Primary outcome | |
| Overall survival | 66 (31) |
| Disease free survival (DFS) | 34 (16) |
| Definition of outcomes | |
| Overall survival (n = 31) | |
| Explicitly death from any cause | 15 (7) |
| Cancer death only | 21 (10) |
| Type of death unclear | 30 (14) |
| Disease free survival (n = 16) | |
| DFS including death* | 10 (5) |
| DFS not including death | 13 (6) |
| DFS but unclear if includes death | 10 (5) |
| Multivariable outcome clearly defined‡ | 60 (28) |
* In one study it was not clear if DFS deaths included all deaths or only cancer specific deaths
‡ In two articles it was unclear how many outcomes were examined