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Table 3 Type I error and power of the simulated biomarker

From: Goodness-of-fit two-phase sampling designs for time-to-event outcomes: a simulation study based on New York University Women’s Health Study for breast cancer

  

Type I error

Power

Event rate

Cohort design

\(\alpha =0.0\)

0.2

0.5

5%

Full cohort

0.049

0.535

0.999

Unstratified GOF two-phase

0.055

0.320

0.973

Stratified GOF two-phase

0.052

0.317

0.972

10%

Full cohort

0.050

0.807

1.000

Unstratified GOF two-phase

0.052

0.581

0.999

Stratified GOF two-phase

0.054

0.587

1.000

  1. We considered 1:1 case and control ratio for GOF two-phase designs. The IPW method was used for GOF two-phase designs
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BMC Medical Research Methodology

ISSN: 1471-2288

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