Variable

Total (No., %)

Control group air leak < 5 days (No., %)

Air leak ≥ 5 days

(No., %)

P-value*

All pulmonary resections

269 (100)

238 (88.48)

31 (11.52)

-

Age

Age: Mean (SD)

61.35 (15.8, 59.5 - 63.3)

60.83 (16.1)

65.39 (12.49)

0.132

Age category (years):

<50

51 - 59

60 - 69

70 - 79

>80

43 (15.99)

59 (21.93)

80 (29.74)

65 (24.16)

22 (8.18)

39 (16.39)

52 (21.85)

74 (31.09)

53 (22.27)

20 (8.40)

4 (12.90)

7 (22.58)

6 (19.35)

12 (38.71)

2 (6.45)

0.322

Age ≥ 70 years

87 (32.34)

73 (30.67)

14 (45.16)

0.105

Sex:

Male

Female

135 (50.19)

134 (49.81)

120 (50.42)

118 (49.58)

15 (48.39)

16 (51.61)

0.831

BMI

BMI: (n = 243)

Mean (SD)

25.59 (5.86)

25.77 (6.05)

25.59 (3.95)

0.1733

BMI category: (n = 243)

Underweight (<18.5)

Normal (18.5 - 25)

Overweight (>25)

18 (7.41)

110 (45.27)

115 (47.33)

18 (8.41)

89 (41.59)

107 (50.00)

0 (0)

21 (72.41)

8 (27.59)

0.007

(Fisher exact)

Pulmonary function testing

FEV1%: (n = 210)

Mean (SD)

86.27 (8.46)

86.33 (18.50)

85.8 (18.56)

0.8923

FEV1 category (n = 210)

<60%

60% - 80%

>80%

15 (7.14)

66 (31.43)

129 (61.43)

12 (6.49)

60 (32.43)

113 (61.08)

3 (12.00)

6 (24.00)

16 (64.00)

0.480

FEV1 < 80%

81 (38.57)

72 (38.92)

9 (36.00)

0.778

FEV1 < 60%

15 (7.14)

12 (6.49)

3 (12.00)

0.397

FEV1/FVC% (n = 206)

Mean (SD)

72.80 (11.89)

73.08 (11.73)

70.90 (13.0)

0.3843

FEV1/FVC% category

<60%

60% - 80%

>80%

23 (11.17)

130 (63.11)

53 (25.73)

20 (11.11)

112 (62.22)

48 (26.67)

3 (11.54)

18 (69.23)

5 (19.23)

0.716

DLCO% (n = 202)

Mean (SD)

76.05 (18.31)

76.45 (18.23)

72.91 (19.03)

0.3841

DLCO% category

<60%

60% - 80%

>80%

36 (17.82)

79 (39.11)

79 (43.07)

30 (16.76)

69 (38.55)

80 (44.69)

6 (26.09)

10 (43.48)

7 (30.43)

0.353