Table 1 Comparative analysis of basic information of two groups of patients

Age

58.7 ± 11.8

56.3 ± 10.0

t = 1.335

0.184

F/M

44/34

40/29

χ² = 0.036

0.849

Nodule diameter (mm)

5.02 ± 1.15

5.07 ± 1.17

t = 0.243

0.808

Nodule nature

pGGO

33

31

χ² = 0.102

0.749

mGGO

45

38

Nodule position

Upper lobe of left lung

19

17

χ² = 0.166

0.997

Lower lobe of left lung

17

16

Upper lobe of right lung

26

23

Middle lobe of right lung

3

3

Lower lobe of right lung

13

10

Distance from nodule to pleura (cm)

3.03 ± 1.75

2.94 ± 1.46

t = 0.343

0.732