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Table 1 The organs of the training and validation dataset of TUO

From: Diagnosis prediction of tumours of unknown origin using ImmunoGenius, a machine learning-based expert system for immunohistochemistry profile interpretation

Organ

Training data

Validation data

Test data

No.

%

No.

%

No

%

Ascites (cell block)

19

3.4%

11

2.9%

1

0.6%

Pleural fluid (cell block)

15

2.7%

12

3.1%

0

0.0%

Lymph node

12

2.1%

9

2.4%

8

4.9%

Peritoneum

13

2.3%

8

2.1%

2

1.2%

Pleura

14

2.5%

7

1.8%

2

1.2%

Lung

116

20.6%

75

19.6%

26

15.9%

Liver

55

9.8%

43

11.3%

33

20.1%

Kidney

37

6.6%

31

8.1%

15

9.1%

Breast

17

3.0%

11

2.9%

1

0.6%

Soft tissue

38

6.8%

14

3.7%

6

3.6%

Female genital tract including uterus and vulva, vagina

17

3.0%

12

3.1%

18

10.1

Adnexa

8

1.4%

6

1.6%

0

0.0%

Bladder and urinary tract

7

1.2%

5

1.3%

1

0.6%

Adrenal gland

10

1.8%

5

1.3%

1

0.6%

Prostate

15

2.7%

11

2.9%

0

0.0%

Testis

8

1.4%

5

1.3%

0

0.0%

Pancreas

7

1.2%

4

1.0%

3

1.8%

Stomach

37

6.6%

20

5.2%

9

5.5%

Small intestine

4

0.7%

1

0.3%

5

3.0%

Large intestine and rectum

30

5.3%

23

6.0%

12

7.3%

Gallbladder

3

0.5%

1

0.3%

0

0.0%

Appendix

2

0.4%

1

0.3%

0

0.0%

Brain (CNS)

11

2.0%

6

1.6%

14

8.5%

Meninges

22

3.9%

16

4.2%

0

0.0%

Naso- and oropharynx

13

2.3%

10

2.6%

2

1.2%

Skin

14

2.5%

11

2.9%

1

0.6%

Bone

6

1.1%

5

1.3%

3

1.8%

Thyroid gland

2

0.4%

1

0.3%

0

0.0%

Thymus

3

0.5%

2

0.5%

0

0.0%

Salivary gland

5

0.9%

3

0.8%

0

0.0%

Eye

2

0.4%

0

0.0%

2

1.2%

Total

562

100.0%

382

100.0%

164

100.0%

  1. Abbreviations: TUO Tumor of unknown origin