Table 4 Operative and postoperative data of simple segmentectomy and wedge resection

 time (min)

110.6

71.2

0.002

 blood loss (ml)

150

130

0.07

 margin (mm)

19.5

22.4

0.07

 dissected lymph nodes (n)

4

1.5

0.003

 staple¹ (n)

4.2

4.7

 stay in hospital (day)

5.2

3.1

0.043

 hospitalization expenses ($)

5020

3900

0.035

 drainage (day)

3.4

2.2

0.04

 air leakage (> 7 day)

12

3

0.02

 overall

21(21%)

3(3%)

0.031

 pulmonary infection

7

1

 atelectasis

8

2

 chylothorax

5

0

 bleeding

1

0

Relapse patterns

0.22

 local relapse

0

0

 region relapse

4

3

 distant relapse

2

2