Table 2 Diagnostic values of established ions of peptide m/z 520.3 models and others

520.3/176.1

0.915

0.855

0.976

1.401

0.886

0.902

0.924

0.936

0.948

1.287

0.868

0.98

520.3/353.7

0.892

0.818

0.967

0.161

0.829

0.922

0.825

0.855

0.929

0.129

0.732

0.919

520.3/459.8

0.724

0.617

0.832

0.368

0.629

0.725

0.797

0.692

0.902

0.337

0.692

0.902

520.3/503.3

0.891

0.824

0.957

12.751

0.851

0.865

0.92

0.916

0.965

9.050

0.862

0.979

520.3/351.3

0.871

0.793

0.949

43.85

0.882

0.852

0.849

0.954

1.000

28.91

0.745

0.954

520.3/593.1

0.908

0.842

0.974

1.769

0.829

0.903

0.804

0.795

0.947

1.487

0.71

0.899

FIB-4

0.793

0.7

0.885

222.70

0.757

0.801

0.801

0.705

0.896

408.77

0.836

0.645

Forn’s Index

0.811

0.715

0.906

-317.1

0.857

0.686

0.739

0.635

0.843

-416.01

0.673

0.742

APRI

0.685

0.573

0.798

33.79

0.771

0.643

0.697

0.577

0.816

59.94

0.655

0.677

AUROC

   95% CI

Cut-off value

Sensitivity

Specificity

AUROC

   95% CI

Cut-off value

Sensitivity

Specificity

520.3/176.1

0.84

0.756

0.924

1.301

0.788

0.811

0.756

0.818

0.953

1.186

0.705

0.760

520.3/353.7

0.843

0.763

0.923

0.184

0.870

0.666

0.763

0.69

0.889

0.179

0.806

0.720

520.3/459.8

0.694

0.581

0.807

0.335

0.788

0.509

0.581

0.61

0.852

0.235

0.621

0.680

520.3/503.3

0.856

0.779

0.933

10.375

0.910

0.679

0.779

0.819

0.956

10.375

0.887

0.910

520.3/351.3

0.902

0.839

0.964

43.60

0.911

0.851

0.839

0.813

0.96

41.82

0.901

0.842

520.3/593.1

0.868

0.792

0.945

1.653

0.876

0.831

0.792

0.66

0.914

1.644

0.874

0.792