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Table 1 Pearson correlation coefficients of the 13 ROIs

From: Fine-grained precise-bone age assessment by integrating prior knowledge and recursive feature pyramid network

ROIs

1st distal phalanx

3rd distal phalanx

5th distal phalanx

1st metacarpal

3rd metacarpal

5th metacarpal

3rd middle phalange

5th middle phalange

1st proximal phalanx

3rd proximal phalanx

5th proximal phalanx

Radius

Ulna

1st distal phalanx

1

0.819

0.826

0.809

0.764

0.778

0.841

0.859

0.815

0.809

0.815

0.834

0.814

3rd distal phalanx

0.819

1

0.940

0.818

0.821

0.801

0.837

0.836

0.811

0.787

0.803

0.832

0.819

5th distal phalanx

0.826

0.940

1

0.833

0.840

0.831

0.843

0.848

0.827

0.791

0.805

0.850

0.832

1st metacarpal

0.809

0.818

0.833

1

0.787

0.809

0.875

0.846

0.864

0.869

0.866

0.832

0.874

3rd metacarpal

0.764

0.821

0.840

0.787

1

0.900

0.805

0.806

0.790

0.765

0.773

0.841

0.838

5th metacarpal

0.778

0.801

0.831

0.809

0.900

1

0.813

0.807

0.804

0.777

0.793

0.852

0.850

3rd middle phalange

0.841

0.837

0.843

0.875

0.805

0.813

1

0.887

0.870

0.848

0.879

0.864

0.872

5th middle phalange

0.859

0.836

0.848

0.846

0.806

0.807

0.887

1

0.850

0.838

0.849

0.869

0.844

1st proximal phalanx

0.815

0.811

0.827

0.864

0.790

0.804

0.870

0.850

1

0.852

0.876

0.844

0.853

3rd proximal phalanx

0.809

0.787

0.791

0.869

0.765

0.777

0.848

0.838

0.852

1

0.885

0.814

0.849

5th proximal phalanx

0.815

0.803

0.805

0.866

0.773

0.793

0.879

0.849

0.876

0.885

1

0.839

0.851

Radius

0.834

0.832

0.850

0.832

0.841

0.852

0.864

0.869

0.844

0.814

0.839

1

0.883

Ulna

0.814

0.819

0.832

0.874

0.838

0.850

0.872

0.844

0.853

0.849

0.851

0.883

1