Skip to main content

Table 3 Results of simulation study to test (D1) and (D2)

From: Discrimination-based sample size calculations for multivariable prognostic models for time-to-event data

Simulation parameters

 

Observed (D1) (95 % CI)

 

Observed (D2) (95 % CI)

β

D

w

cens

 

e 2

% of D (se) within βκ±w

 

e 2

% of D (se) within βκ±w

1.0

1.6

0.2

0

 

553

94.7 (0.50)

 

550

94.8 (0.50)

   

80

 

348

94.6 (0.51)

 

331

94.4 (0.51)

2.0

3.2

0.3

0

 

616

94.6 (0.51)

 

602

94.4 (0.51)

   

80

 

356

94.7 (0.50)

 

363

94.4 (0.52)

Back to article page

BMC Medical Research Methodology

ISSN: 1471-2288

Contact us