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Table 1 Clinical characteristics and subjective CT findings of lung adenocarcinomas and granulomatous lesions in in patients with SCSNs

From: A CT-based radiomics nomogram for prediction of lung adenocarcinomas and granulomatous lesions in patient with solitary sub-centimeter solid nodules

 

Training set (n = 150)

External validation set(n = 64)

Lung Adenocarcinomas (77)

Granulomatous Lesions (73)

P Value

Lung Adenocarcinomas (35)

Granulomatous Lesions (29)

P Value

Gender

 Male

35

48

0.012*

17

14

0.981

 Female

42

25

18

15

Age (mean ± SD, years)

58.44 ± 10.97

52.29 ± 12.82

0.006*

56.60 ± 9.52

55.48 ± 13.41

0.599

Size (mean ± SD, mm)

8.49 ± 1.43

8.41 ± 1.35

0.357

8.78 ± 1.75

8.20 ± 2.71

0.608

Location

 Upper and Middle

52

49

0.957

24

15

0.169

  Lower

25

24

11

14

Margin

 Irregular

56

34

0.001*

26

13

0.016*

 Regular

21

39

9

16

Lobulated sharp

 Absence

30

52

< 0.001*

15

21

0.018*

 Presence

47

21

20

8

Spiculated sign

 Absence

59

64

0.078

29

26

0.676

 Presence

18

9

6

3

Rad-score (mean ± SD)

0.62 ± 0.17

0.40 ± 0.15

< 0.001*

0.58 ± 0.19

0.37 ± 0.16

< 0.001*

  1. Note. The differences were assessed by Wilcoxom Rank Sum test or Pearson χ2 test, as appropriate. SD: standard deviation. *p < 0.05. SCSNs: sub-centimeter solid nodules
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