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Table 2 Outcomes and definitions

From: Reporting methods in studies developing prognostic models in cancer: a review

 

% (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)

  1. * In one study it was not clear if DFS deaths included all deaths or only cancer specific deaths
  2. ‡ In two articles it was unclear how many outcomes were examined