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Table 1 Characteristics of Data Sets

From: Deep learning for semi-automated unidirectional measurement of lung tumor size in CT

Parameter

NSCLC-Radiomics

CPTAC-LUAD

LCTSC

QIN LUNG CT

TCGA-LUSC

SPIE-AAPM Lung CT Challenge

LungCT-Diagnosis

RIDER Lung CT

No. of Scans

844

8

60

47

74

70

61

64

No. of Images

52,072

1,676

9,593

3,954

36,518

22,489

4,682

15,419

No. of Annotated Images

955

8

96

114

67

139

119

119

Training Set

667

4

68

80

47

97

83

83

 Age

66.5

69.8

68.1

63.9

71.4

62.7

NA

61.6

 Male

446 (67)

3 (75)

30 (44)

6 (8)

33 (70)

33 (34)

0 (0)

0 (0)

 Female

221 (33)

1 (25)

38 (56)

16 (20)

14 (30)

64 (66)

0 (0)

0 (0)

 Gender – Not Known

0 (0)

0 (0)

0 (0)

58 (72)

0 (0)

0 (0)

83 (100)

83 (100)

Validation Set

144

2

14

17

10

21

18

18

 Age

65.5

73

72.3

69.4

71.9

60.2

NA

66.1

 Male

101 (70)

1 (50)

5 (36)

1 (6)

6 (60)

5 (24)

0 (0)

0 (0)

 Female

43 (30)

1 (50)

9 (64)

7 (41)

4 (40)

16 (76)

0 (0)

0 (0)

 Gender – Not Known

0 (0)

0 (0)

0 (0)

9 (53)

0 (0)

0 (0)

18 (100)

18 (100)

Test Set

144

2

14

17

10

21

18

18

 Age

68.6

73

71.2

65.6

72.3

55.7

NA

63.2

 Male

106 (74)

1 (50)

7 (50)

6 (35)

5 (50)

12 (57)

0 (0)

0 (0)

 Female

38 (26)

1 (50)

7 (50)

0 (0)

5 (50)

9 (43)

0 (0)

0 (0)

 Gender – Not Known

0 (0)

0 (0)

0 (0)

11 (65)

0 (0)

0 (0)

18 (100)

18 (100)

Characteristic

 Slice thickness (mm)

3.0

1.3—3.0

1.3—3.0

2.5—6.0

1.0—5.0

1.0

2.5—6.0

1.3

 Increment (mm)

3.0

0.6—3.0

1.3—3.0

2.0—5.0

0.6—5.0

1.0

2.5—5.0

1.3

 In-plane Resolution (mm)

0.97

0.56—1.37

0.98—1.37

0.59—0.95

0.55—0.98

0.55—0.90

0.59—0.95

0.51—0.90

 Dataset Version

Version 2: Updated 2016/05/31

Version 4: Updated 2018/10/24

Version 1: Updated 2017/05/17

Version 2: Updated 2017/07/31

Version 3: Updated 2017/01/30

Version 2: Updated 2016/09/23

Version 1: Updated 2014/12/30

Version 2: Updated 2014/11/14

  1. Note – Average age and gender ratio were calculated using available DICOM information for each of the selected images. Numbers indicate counts of subjects with percentages in parentheses, unless indicated otherwise