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Table 1 Patient characteristics, lesion variables and procedure variables

From: Accuracy and complications of CT-guided pulmonary core biopsy in small nodules: a single-center experience

 

Group A (n=43)

Group B (n=155)

P-value

Patient variables

 Age (mean ± SD)

63.5 ± 10.6

66.7 ± 12.4

0.124

 Sex

  Male

20

86

0.297

  Female

23

69

 

 Lung function test

  Normal

11

21

0.187

  Obstructive

7

24

 

  Restrictive

4

24

 

  Non-available

21

86

 

Lesion variables

 Mean size of the target lesion (mm) (mean ± SD)

12.0 ± 3.2

36.9 ± 18.0

< 0.001

 Location of the lesions

 Upper/Middle lobes

25

93

0.826

 Lower lobes

18

62

 

 Distance from pleura (mm) (mean ± SD)

23.2 ± 19.9

16.4 ± 16.3

0.023

Procedure variables

 Patient positions

  Supine

19

69

0.729

  Prone

21

81

 

  Lateral decubitus

3

5

 

 Number of sampling

2.1 ± 1.1

2.1 ± 0.9

0.835

 Complications

  Pneumothorax

22

54

0.051

  Chest tube insertion

0

3

1.000

  Pulmonary hemorrhage

32

91

0.060

 Radiation dose (DLP) (mean ± SD)

1178.6 ± 607.8

1059.2 ± 649.7

0.351

 Accuracy

83.7%

96.8%

0.002

  1. SD standard deviation, DLP dose-length product