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Table 1 Univariate analysis for 5-year survival

From: Surgical techniques and results of the pulmonary artery reconstruction for patients with central non-small cell lung cancer

Variable

NO

%

5-year survival (%)

95% CI (%)

P value

SDF_LCL

SDF_UCL

Gender

     

0.4340

  Male

87

75.7

50.3

38.5

61.1

  Female

28

24.3

50.6

30.0

67.4

Age

     

0.2477

  ≥65y

64

55.7

45.7

31.9

58.4

  <65y

51

44.3

55.8

40.5

68.7

Stage

     

0.0059

  I and II

52

45.2

63.9

48.9

75.6

  III

63

54.8

37.0

23.4

50.6

Comorbidity

     

0.2309

  Yes

37

32.2

62.7

44.3

76.5

  No

78

67.8

44.6

32.5

56.6

Induction

     

0.0854

  Yes

31

27.0

38.3

20.1

56.3

  No

84

73.0

54.8

42.9

65.2

Histologic type

     

0.0802

  Squamous

91

79.1

53.8

42.3

64.0

  Non-squamous

24

20.9

37.8

18.4

57.1

Nodal status

     

0.0933

  N0 ~ N1

80

69.6

55.4

43.2

66.0

  N2

35

30.4

37.8

20.1

55.4

Reconstruction tech.

     

0.1723

  Tangential R.

36

31.3

57.6

37.8

73.1

  Patch

51

44.3

40.0

26.0

53.6

  Sleeve

22

19.1

55.3

31.2

74.0

  Truncus preserved

6

5.2

83.3

27.3

97.5

Procedure

     

0.1462

  PA alone

74

64.3

43.1

30.8

54.9

  PA + B. sleeve

41

35.6

63.8

46.5

76.8

  1. PA alone = patients only received pulmonary artery reconstruction.
  2. PA + B. sleeve = patients received pulmonary artery reconstruction associated with bronchial sleeve resection.
  3. Calculated on 115 patients, those who underwent left pneumonectomy with artery conduit technique (n = 3) were not included.