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Table 1 Type I error rates of the MPDT and TDT

From: A multi-marker test based on family data in genome-wide association study

M

M1

With LD between markers

Without LD between markers

  

TDT

MPDT

TDT

MPDT

100

1

0.051

0.040

0.052

0.049

 

5

0.053

0.046

0.057

0.061

 

10

0.052

0.051

0.045

0.049

 

50

0.044

0.053

0.039

0.039

 

100

0.046

0.061

0.039

0.051

1,000

5

0.055

0.061

0.048

0.042

 

10

0.052

0.037

0.040

0.061

 

50

0.048

0.061

0.044

0.041

 

100

0.049

0.042

0.048

0.044

 

1,000

0.045

0.059

0.059

0.042

100,000

1,000

0.053

0.040

0.045

0.057

 

10,000

0.053

0.050

0.042

0.053

 

30,000

0.039

0.045

0.047

0.050

 

50,000

0.039

0.049

0.042

0.056

 

100,000

0.053

0.060

0.049

0.052

  1. M is the total number of markers and M1 is the number of markers retained in the first stage.