Table 8 Surgical characteristics of open and VATS group after propensity score matching

Preoperative AFP (ng/ml)

6.9 (0.6–12,000.0)

11.6 (1.1–6610.0)

4.7 (0.6–12,000.0)

0.981

Local recurrence

36 (62.1%)

17 (58.6%)

19 (65.5%)

0.373

Progression of local disease

5 (8.6%)

4 (13.8%)

1 (3.4%)

Laterality

0.570

 Unilateral

40 (69.0%)

19 (65.5%)

21 (72.4%)

 Bilateral

18 (31.0%)

10 (34.5%)

8 (27.6%)

Number of metastasis

1.9 ± 1.4

2.1 ± 1.6

1.8 ± 1.3

0.414

Size (mm)

15.8 ± 8.8

16.9 ± 9.3

14.7 ± 8.2

0.343

Extent of resection

0.025

 Wedge resection

46 (79.3%)

19 (65.5%)

27 (93.1%)

 Segmentectomy/lobectomy

12 (20.7%)

10 (34.5%)

2 (6.9%)

Hospital stay (days)

6.2 ± 3.7

7.4 ± 3.0

5.1 ± 3.9

0.017

Complications

1 (1.7%)

1 (3.4%)

0

0.313

DFI from HCC (months)

24.0 ± 19.0

21.5 ± 16.0

26.5 ± 21.5

0.312

DFI from PM (months)

16.4 ± 28.0

14.9 ± 26.2

17.9 ± 30.1

0.683

Recurrence after metastasectomy

51 (87.9%)

27 (93.1%)

24 (82.8%)

0.227

Recurrence including PM

40 (69.0%)

23 (79.3%)

17 (58.6%)

0.089

Overall survival time (months)

49.2 ± 37.4

52.5 ± 38.1

46.0 ± 37.0

0.513