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Table 1 Relative bias, naive variance, robust variance and coverage robust for 15% censoring and sample size of 200

From: Empirical study of correlated survival times for recurrent events with proportional hazards margins and the effect of correlation and censoring

ρ

Events

Model

Relative bias

Naive var

Robust var

Coverage

0.1

3

AG

-0.193

0.008

0.006

0.308

  

PWP

-0.030

0.010

0.011

0.930

  

WLW

0.320

0.009

0.021

0.415

 

6

AG

-0.254

0.004

0.003

0.003

  

PWP

-0.042

0.006

0.007

0.897

  

WLW

0.666

0.005

0.021

0.004

 

9

AG

-0.278

0.003

0.002

0.000

  

PWP

-0.048

0.005

0.006

0.871

  

WLW

0.929

0.004

0.022

0.000

 

12

AG

-0.291

0.002

0.001

0.000

  

PWP

-0.050

0.004

0.005

0.861

  

WLW

1.151

0.003

0.022

0.000

0.45

3

AG

-0.296

0.008

0.007

0.069

  

PWP

-0.201

0.009

0.011

0.491

  

WLW

0.166

0.009

0.022

0.806

 

6

AG

-0.343

0.004

0.004

0.001

  

PWP

-0.291

0.005

0.006

0.055

  

WLW

0.358

0.005

0.022

0.318

 

9

AG

-0.350

0.003

0.003

0.000

  

PWP

-0.324

0.004

0.004

0.008

  

WLW

0.514

0.003

0.021

0.058

 

12

AG

-0.349

0.002

0.002

0.000

  

PWP

-0.338

0.003

0.003

0.002

  

WLW

0.657

0.003

0.022

0.005

0.8

3

AG

-0.381

0.008

0.008

0.016

  

PWP

-0.339

0.009

0.011

0.124

  

WLW

0.051

0.009

0.024

0.936

 

6

AG

-0.448

0.004

0.005

0.000

  

PWP

-0.509

0.005

0.005

0.000

  

WLW

0.110

0.004

0.023

0.892

 

9

AG

-0.462

0.003

0.004

0.000

  

PWP

-0.574

0.003

0.003

0.000

  

WLW

0.157

0.003

0.023

0.829

 

12

AG

-0.462

0.002

0.004

0.000

  

PWP

-0.605

0.002

0.003

0.000

  

WLW

0.205

0.002

0.022

0.727