Variable

Total (No., %)

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

Air leak ≥ 5 days (No., %)

P-value*

CC Index (n = 269)

Mean (SD)

1.6 (1.7)

1.6 (1.7)

1.5 (1.3)

0.3786

CC index category: (n = 269)

0

1 - 2

3 - 4

≥5

86 (31.97)

126 (46.84)

37 (13.75)

20 (7.43)

77 (2.35)

110 (46.22)

31 (13.03)

20 (8.40)

9 (29.03)

16 (51.61)

6 (19.35)

0

0.300

ECOG performance status (n = 266) category:

ECOG 0

ECOG 1

ECOG 2

ECOG 3

165 (62.03)

84 (31.58)

12 (4.51)

5 (1.88)

148 (62.71)

75 (31.78)

9 (3.81)

4 (1.69)

17 (56.67)

9 (30.0)

3 (10.0)

1 (1.88)

0.420

ECOG grouping: (n = 266)

ECOG 0 - 1

ECOG ≥2

249 (93.61)

17 (6.39)

223 (94.49)

13 (5.51)

26 (86.67)

4 (13.33)

0.099

MRC dyspnea scores (n = 266)

1

2

3

4

172 (64.66)

73 (27.44)

15 (5.64)

6 (2.26)

154 (65.25)

64 (27.12)

12 (5.08)

6 (2.54)

18 (60.00)

9 (30.00)

3 (10.00)

0

0.552