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Table 2 Comparisons of BHT-A and Simon optimal two-stage designs

From: Bayesian designs of phase II oncology trials to select maximum effective dose assuming monotonic dose-response relationship

 

P(H 0)

P(H 1)

P(H 2)

P(H 3)

P H 2 ⋆

SS

SS 1

SS 2

% incon

     

0.1 & 0.1

    

BHT-A

0.978

0.014

0.003

0.000

0.003

34.5

17.1

17.4

0.005

Simon I

0.954

0.022

0.001

0.000

0.001

47.1

23.6

23.5

0.022

Simon II

0.954

0.022

0.001

0.000

0.001

47.1

23.6

23.5

0.022

Simon III

0.954

0.022

0.001

0.000

0.001

47.1

23.6

23.5

0.022

     

0.2 & 0.2

    

BHT-A

0.408

0.142

0.408

0.003

0.411

68.6

33.3

35.3

0.039

Simon I

0.261

0.250

0.203

0.040

0.243

73.2

36.7

36.5

0.246

Simon II

0.261

0.250

0.174

0.069

0.243

73.2

36.7

36.5

0.246

Simon III

0.261

0.250

0.221

0.022

0.243

73.2

36.7

36.5

0.246

     

0.1 & 0.2

    

BHT-A

0.623

0.343

0.027

0.000

0.027

53.6

23.6

30.0

0.007

Simon I

0.515

0.457

0.008

0.004

0.012

60.0

23.7

36.3

0.016

Simon II

0.515

0.457

0.008

0.004

0.012

60.0

23.7

36.3

0.016

Simon III

0.515

0.457

0.011

0.001

0.012

60.0

23.7

36.3

0.016

     

0.3 & 0.3

    

BHT-A

0.039

0.056

0.773

0.132

0.905

86.7

42.8

43.9

0.000

Simon I

0.008

0.094

0.574

0.220

0.794

85.5

42.9

42.6

0.104

Simon II

0.008

0.094

0.506

0.288

0.794

85.5

42.9

42.6

0.104

Simon III

0.008

0.094

0.632

0.162

0.794

85.5

42.9

42.6

0.104

     

0.4 & 0.4

    

BHT-A

0.002

0.008

0.706

0.284

0.990

89.7

44.7

44.9

0.000

Simon I

0.000

0.014

0.675

0.300

0.976

89.3

44.6

44.7

0.010

Simon II

0.000

0.014

0.588

0.387

0.976

89.3

44.6

44.7

0.010

Simon III

0.000

0.014

0.748

0.227

0.976

89.3

44.6

44.7

0.010

     

0.5 & 0.5

    

BHT-A

0.000

0.001

0.659

0.340

0.999

90.0

45.0

45.0

0.000

Simon I

0.000

0.001

0.691

0.305

0.996

89.9

45.0

44.9

0.003

Simon II

0.000

0.001

0.626

0.370

0.996

89.9

45.0

44.9

0.003

Simon III

0.000

0.001

0.762

0.234

0.996

89.9

45.0

44.9

0.003

     

0.1 & 0.3

    

BHT-A

0.150

0.811

0.030

0.006

0.036

64.9

23.9

41.0

0.003

Simon I

0.104

0.872

0.006

0.016

0.022

66.4

23.6

42.8

0.002

Simon II

0.104

0.872

0.002

0.020

0.022

66.4

23.6

42.8

0.002

Simon III

0.104

0.872

0.007

0.015

0.022

66.4

23.6

42.8

0.002

     

0.1 & 0.4

    

BHT-A

0.021

0.949

0.007

0.023

0.030

65.2

20.9

44.4

0.000

Simon I

0.013

0.957

0.001

0.028

0.029

68.5

23.9

44.6

0.001

Simon II

0.013

0.957

0.000

0.028

0.029

68.5

23.9

44.6

0.001

Simon III

0.013

0.957

0.002

0.027

0.029

68.5

23.9

44.6

0.001

     

0.3 & 0.4

    

BHT-A

0.006

0.097

0.358

0.539

0.897

87.5

42.7

44.8

0.000

Simon I

0.000

0.100

0.336

0.556

0.892

87.7

42.9

44.8

0.008

Simon II

0.000

0.100

0.261

0.631

0.892

87.7

42.9

44.8

0.008

Simon III

0.000

0.100

0.412

0.480

0.892

87.7

42.9

44.8

0.008

     

0.3 & 0.5

    

BHT-A

0.000

0.116

0.071

0.813

0.884

87.3

42.3

45.0

0.000

Simon I

0.000

0.104

0.075

0.820

0.896

87.9

43.0

45.0

0.001

Simon II

0.000

0.104

0.050

0.846

0.896

87.9

43.0

45.0

0.001

Simon III

0.000

0.104

0.122

0.774

0.896

87.9

43.0

45.0

0.001

     

0.4 & 0.5

    

BHT-A

0.000

0.010

0.289

0.701

0.990

89.7

44.7

45.0

0.000

Simon I

0.000

0.014

0.353

0.632

0.984

89.6

44.6

45.0

0.000

Simon II

0.000

0.014

0.280

0.705

0.984

89.6

44.6

45.0

0.000

Simon III

0.000

0.014

0.424

0.560

0.984

89.6

44.6

45.0

0.000

     

0.4 & 0.6

    

BHT-A

0.000

0.021

0.051

0.928

0.979

89.4

44.4

45.0

0.000

Simon I

0.000

0.016

0.074

0.910

0.984

89.6

44.6

45.0

0.000

Simon II

0.000

0.016

0.051

0.934

0.984

89.6

44.6

45.0

0.000

Simon III

0.000

0.016

0.116

0.868

0.984

89.6

44.6

45.0

0.000

  1. Note: A tuning parameter δ= 0.05, 0.03, or 0.07 was used in the Simon I, II, or III design, respectively.