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Table 10 Estimated marginal survival probability S(1000) for thee three groups defined by the number of nodes received

From: Effect of the number of removed lymph nodes on prostate cancer recurrence and survival: evidence from an observational study

Generation

Estimation

  

Unadjusted

Weighted

Doubly Robust

PM

SM

PM

SM

Nodes

S(1000)

Est Surv

Est Surv

Est Surv

1

1

1

1

1-10

0.4740

0.4522

0.4749

0.4751

    

11-20

0.4740

0.4669

0.4739

0.4738

    

>20

0.4740

0.5476

0.4743

0.4740

2

2

2

2

1-10

0.4037

0.3767

0.4042

0.4040

    

11-20

0.4037

0.3974

0.4041

0.4041

    

>20

0.4037

0.4734

0.4035

0.4035

2

3

2

3

1-10

0.4037

0.3767

0.4042

0.4040

    

11-20

0.2911

0.2864

0.2910

0.2909

    

>20

0.5438

0.6100

0.5427

0.5427

3

2

3

2

1-10

0.4037

0.2693

0.4014

0.4015

    

11-20

0.4037

0.4047

0.4037

0.4037

    

>20

0.4037

0.5756

0.4031

0.4032

2

2

3

2

1-10

0.4037

0.3767

0.4536

0.4040

    

11-20

0.4037

0.3974

0.4017

0.4041

    

>20

0.4037

0.4734

0.3261

0.4038

2

3

3

3

1-10

0.4037

0.3767

0.4536

0.4040

    

11-20

0.2911

0.2864

0.2899

0.2909

    

>20

0.5438

0.6100

0.4454

0.5430

2

3

2

4

1-10

0.4037

0.3767

0.4042

0.4046

    

11-20

0.2911

0.2864

0.2910

0.2972

    

>20

0.5438

0.6100

0.5427

0.5422

2

3

3

4

1-10

0.4037

0.3767

0.4536

0.4605

    

11-20

0.2911

0.2864

0.2899

0.2941

    

>20

0.5438

0.6100

0.4454

0.4613

  1. Estimates are based on one sample of size 10 millions. PM stands for Propensity Score Model, and SM stands for Survival Model. Please refer to the text for the description of the models