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Table 2 Inter-observer agreement in each observation method (Kappa coefficient)

From: Validation of mitotic cell quantification via microscopy and multiple whole-slide scanners

 

Scanner A

Scanner B

Scanner C

Scanner D

Microscope

Observer 1 vs 2

0.677

0.770

0.814

0.815

0.735

Observer 1 vs 3

0.775

0.790

0.872

0.745

0.833

Observer 1 vs 4

0.885

0.788

0.852

0.865

0.779

Observer 1 vs 5

0.864

0.799

0.879

0.820

0.781

Observer 2 vs 3

0.621

0.807

0.834

0.667

0.742

Observer 2 vs 4

0.693

0.763

0.840

0.791

0.723

Observer 2 vs 5

0.699

0.802

0.840

0.786

0.666

Observer 3 vs 4

0.773

0.850

0.818

0.819

0.831

Observer 3 vs 5

0.765

0.862

0.845

0.785

0.789

Observer 4 vs 5

0.886

0.833

0.864

0.905

0.743