Table 3 Clinicopathologic characteristics and postoperative outcomes of laparoscopic and open surgery for larger 5 to 10cm tumors

Age, years^*

57.4 ± 8.1

65.9 ± 12.2

0.014

Gender, n

0.309

 Male

12

4

 Female

12

10

Body mass index, Kg/m^2*

24.1 ± 2.9

24.0 ± 3.3

0.856

Symptom, n

0.472

 No

9

3

 Yes

15

11

Tumor size, cm^*

6.1 ± 1.3

7.2 ± 1.7

0.035

Tumor location, n

0.041

 Upper

11

8

 Middle

5

6

 Lower

8

0

Type of resection, n

0.067

 Wedge

22

9

 Partial

2

3

 Total

0

2

Prognostic group^†, n

 Group 2

0.239

 Group 3a

5

1

 Group 4

11

4

 Group 5

2

1

 Group 6a

6

8

Operative times, minutes^*

119.8 ± 62.2

154.3 ± 53.5

0.092

Hospital stay, days^*

4.8 ± 1.8

9.2 ± 3.2

< 0.001

Complication, n

1.000

 No

23

14

 Yes

1

0

Recurrence, n

0.132

 No

23

11

 Yes

1

3

Median follow-up periods, months (range)

62.6 (8.9, 164.4)

58.3 (18.8, 123.2)

0.180