Table 2 Tumor characteristics and operative details

Tumor size (cm)

3.6 ± 1.2

2.7 ± 0.9

0.02

Total lymph nodes

22.0 ± 8.3

25.7 ± 6.5

0.20

Total lymph node stations

6.8 ± 1.4

6.4 ± 0.7

0.43

Histologic Type

0.55

Squamous cell carcinoma

33 (80.5 %)

8 (80.0 %)

Adenocarcinoma

7 (17.1 %)

1 (10.0 %)

Other^a

1 (2.4 %)

1 (10.0 %)

Pathologic stage

0.36

I

18 (43.9 %)

6 (60.0 %)

II

10 (24.4 %)

2 (20.0 %)

IIIa

13 (31.7 %)

2 (20.0 %)

Type of lung resection

0.31

Right side

30 (73.2 %)

7 (70.0 %)

Left side

11 (26.8 %)

3 (30.0 %)

Upper lobe

24 (58.5 %)

6 (60.0 %)

Middle lobe

1 (2.4 %)

1 (10.0 %)

Lower lobe

8 (19.5 %)

3 (30.0 %)

Upper and middle lobe

2 (4.9 %)

0

Lower and middle lobe

6 (14.6 %)

0

Operating time (min)

166 ± 40

226 ± 37

<0.001

Estimated blood loss (mL)

318 ± 198

406 ± 200

0.22

Intensive care unit (hours)

20.3 ± 1.7

19.1 ± 1.6

0.06

Chest tube drainage (mL)

2229 ± 1508

2247 ± 990

0.97

Chest tube duration (days)

8.6 ± 5.1

7.5 ± 1.7

0.50

Postoperative hospital stay (days)

16.1 ± 4.9

11.6 ± 2.8

0.009