Table 1 Baseline patient characteristics

Number

164 patients

37 patients

201 patients

Median age (y)

78 (range: 40–92)

63 (range: 25–85)

76 (range: 25–92)

Gender

  Female

39 (23%)

13 (35%)

52 (25%)

  Male

125 (76%)

24 (64%)

149 (74%)

ECOG performance status

  0-1

142 (86%)

37 (100%)

179 (89%)

  2-3

22 (13%)

0 (0%)

22 (10%)

History of other malignancies

  Yes

81 (49%)

6 (16%)

87 (43%)

  No

83 (50%)

31 (83%)

114 (56%)

Pack-year smoking

Median 37.5 (range: 0–180)

Never

35 (21%)

10 (43%)

45 (24%)

  < 37.5

35 (21%)

10 (43%)

45 (24%)

  ≥ 37.5

88 (55%)

5 (20%)

93 (50%)

FEV1, % of predicted

Median 92.5 (range: 25.1-203.6)

  < 92

54 (47%)

4 (66%)

58 (48%)

  ≥ 92

60 (52%)

2 (33%)

62 (51%)

Home oxygen therapy

13

0

13 (6%)

Operability

  Operable

64 (39%)

20 (54%)

84 (41%)

  Inoperable

100 (60%)

17 (45%)

117 (58%)