Table 3 Change in bronchial angles between two groups (°, x ± s)

Overall

 Postoperative time, months

  3

42.89 ± 19.62

50.64 ± 21.78

0.008

  6

42.83 ± 17.84

51.08 ± 20.10

0.002

Left lung

 Postoperative time, months

  3

50.73 ± 20.53

61.24 ± 17.57

0.015

  6

48.99 ± 17.30

63.01 ± 13.60

 < 0.001

Right lung

 Postoperative time, months

  3

37.45 ± 17.11

44.16 ± 21.67

0.058

  6

38.55 ± 17.08

43.78 ± 20.01

0.120