Table 2 Postoperative outcomes before and after PSM

Hospital stay (days)

12.1 ± 5.3

12.9 ± 3.9

<0.001

12.6 ± 6.1

12.8 ± 4.2

0.082

Liver decompensation

19(17.8%)

38(37.3%)

0.002

15(25.4%)

19(32.2%)

0.416

Complication

25(23.4%)

44(43.1%)

0.002

19(32.2%)

23(39.0%)

0.442

Clavien-Dindo Classification

0.818

0.929

Grade 1

17(15.7%)

31(30.4%)

12(20.3%)

15(25.4%)

Grade 2

2(1.9)

5(4.9%)

2(3.4%)

3(5.1%)

Grade 3

3(2.8%)

3(2.9%)

3(5.1%)

2(3.4%)

Grade 4

1(0.9%)

0

1(1.7%)

0

Grade 5

2(1.9%)

5(4.9%)

1(1.7%)

3(5.1%)