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Table 5 Summary meta-analysis results following application of model (2) with and without the imputed data included

From: Meta-analysis of test accuracy studies: an exploratory method for investigating the impact of missing thresholds

Without imputed data

With imputed data

Threshold value, x

No. studies with this threshold

Summary estimate

95% CI

Tau

No. studies with this threshold

Summary estimate

95% CI

Tau

Lower

Upper

Lower

Upper

Sensitivity

0.13

1

0.897

0.756

0.961

0.000

1

0.897

0.756

0.961

0.000

0.14

2

0.910

0.841

0.951

0.000

3

0.955

0.801

0.991

1.147

0.15

5

0.944

0.901

0.969

0.067

6

0.937

0.909

0.957

0.001

0.16

3

0.960

0.831

0.991

0.850

6

0.925

0.890

0.950

0.091

0.17

3

0.909

0.860

0.942

0.000

5

0.911

0.879

0.935

0.000

0.18

3

0.873

0.816

0.914

0.000

5

0.894

0.860

0.920

0.000

0.19

4

0.902

0.851

0.936

0.000

6

0.889

0.855

0.917

0.096

0.2

6

0.875

0.828

0.910

0.234

8

0.886

0.839

0.921

0.312

0.21

3

0.892

0.834

0.931

0.000

7

0.882

0.848

0.909

0.000

0.22

1

0.983

0.782

0.999

0.000

5

0.899

0.761

0.961

0.669

0.23

1

0.950

0.786

0.990

0.000

5

0.870

0.766

0.932

0.534

0.24

2

0.877

0.575

0.974

0.973

5

0.850

0.756

0.912

0.473

0.25

2

0.953

0.832

0.988

0.000

5

0.850

0.759

0.910

0.442

0.28

2

0.818

0.531

0.947

0.837

5

0.818

0.715

0.890

0.473

0.3

4

0.938

0.829

0.979

0.975

7

0.893

0.773

0.954

1.076

0.31

1

0.883

0.713

0.959

0.000

5

0.780

0.689

0.851

0.362

0.32

1

0.850

0.675

0.939

0.000

5

0.781

0.687

0.853

0.363

0.35

1

0.833

0.562

0.951

0.000

4

0.733

0.641

0.809

0.296

0.39

2

0.662

0.530

0.772

0.320

4

0.699

0.607

0.778

0.278

0.4

2

0.720

0.650

0.780

0.000

3

0.724

0.661

0.779

0.000

0.45

1

0.700

0.436

0.876

0.000

3

0.691

0.627

0.748

0.000

0.49

1

0.842

0.774

0.893

0.000

2

0.657

0.590

0.718

0.000

0.5

2

0.844

0.433

0.975

1.230

2

0.844

0.433

0.975

1.230

Specificity

0.13

1

0.651

0.570

0.724

0.000

1

0.651

0.570

0.724

0.000

0.14

2

0.671

0.597

0.736

0.000

3

0.624

0.524

0.714

0.250

0.15

5

0.562

0.366

0.740

0.795

6

0.583

0.421

0.728

0.717

0.16

3

0.803

0.499

0.943

1.026

6

0.661

0.462

0.816

0.910

0.17

3

0.765

0.463

0.925

1.042

5

0.677

0.465

0.834

0.922

0.18

3

0.856

0.436

0.979

1.503

5

0.726

0.458

0.893

1.188

0.19

4

0.708

0.653

0.758

0.000

6

0.720

0.522

0.858

0.961

0.2

6

0.818

0.597

0.931

1.245

8

0.775

0.609

0.884

1.031

0.21

3

0.750

0.672

0.815

0.000

7

0.707

0.635

0.771

0.332

0.22

1

0.692

0.409

0.880

0.000

5

0.705

0.599

0.793

0.438

0.23

1

0.769

0.478

0.924

0.000

5

0.738

0.623

0.828

0.508

0.24

2

0.863

0.764

0.925

0.000

5

0.762

0.636

0.855

0.592

0.25

2

0.848

0.764

0.907

0.000

5

0.798

0.655

0.892

0.724

0.28

2

0.945

0.863

0.979

0.000

5

0.845

0.681

0.933

0.947

0.3

4

0.917

0.703

0.981

1.515

7

0.916

0.793

0.969

1.311

0.31

1

0.923

0.609

0.989

0.000

5

0.886

0.707

0.962

1.183

0.32

1

0.923

0.609

0.989

0.000

5

0.892

0.716

0.964

1.194

0.35

1

0.948

0.876

0.979

0.000

4

0.898

0.701

0.971

1.239

0.39

2

0.980

0.092

1.000

3.125

4

0.933

0.713

0.987

1.556

0.4

2

0.903

0.675

0.977

0.982

3

0.872

0.715

0.949

0.796

0.45

1

0.994

0.915

1.000

0.000

3

0.944

0.587

0.995

1.883

0.49

1

0.842

0.774

0.893

0.000

2

0.838

0.779

0.883

0.000

0.5

2

0.863

0.764

0.925

0.000

2

0.863

0.764

0.925

0.000

  1. NB All meta-analyses used model (2), as model (1) often poorly estimated ρ10t at +1 or -1.