Table 1 Characteristics of the patients*

Age (years, ± SD)

63 ± 7

63 ± 8

64 ± 3

62 ± 8

Male/Female

26/4

21/1

3/0

2/3

Presence of comorbidity (n, %)

18 (60%)

11 (50%)

2 (67%)

5 (100%)

Operation type (n)

 Lobectomy

14

11

0

3

 Greater resection

11^a

8^b

2^c

1^d

 Segmentectomy

5

3

1

1

Extended resection (n, %)**

16 (53%)

13 (59%)

1 (33%)

2 (40%)

Length of hospital stay (mean days ± SD)

11 ± 4

10 ± 4

14 ± 2

13 ± 9

Mortality (n, %)

1 (3%)

0

0

1 (20%)

Morbidity (n, %)

21 (70%)

14 (64%)

3 (100%)

4 (80%)

Overall survival (mean months ± SD)

19 ± 13

22 ± 13

13 ± 5

6 ± 2

Relapse-free survival (mean months ± SD)

14 ± 12

16 ± 13

9 ± 4

6 ± 2