Skip to main content

Table 3 Intraoperative and postoperative outcomes before and after PSM

From: Efficacy of laparoscopic repeat hepatectomy compared with open repeat hepatectomy: a single-center, propensity score matching study

  LRH (n = 48) ORH (n = 31) P-value LRH (n = 17) ORH (n = 17) P-value
Operative time (min) 169.9 ± 81.5 232.9 ± 83.1 < 0.01 212.9 ± 91.3 226.9 ± 70.5 0.94
Blood loss (ml) 100.0 (50.0–112.5) 500.0 (250.0–1000.0) < 0.01 100.0 (100.0–200.0) 500.0 (250.0–800.0) < 0.01
Pringle maneuver 14 (29.2) 17 (54.8) 0.13 3 (17.6) 6 (35.3) 0.70
Transfusion 4 (8.3) 18 (58.1) < 0.01 4 (23.5) 10 (58.8) 0.04
Type of resection    0.07    0.47
 Major resection 11 (22.9) 13 (41.9)   5 (29.4) 7 (41.2)  
 Minor resection 37 (77.1) 18 (58.1)   12 (70.6) 10 (58.8)  
R0 resection rate 100% 100% - 100% 100% -
Conversion 3 (6.3) -   1 (5.8) -  
30-day mortality 0 2 (6.5) - 0 1 (5.9) -
Complications (Clavien–Dindo) 10 (20.8) 16 (54.2) 0.07 6 (35.3) 10 (58.8) 0.02
 I 2 (4.2) 2 (6.5)   2 (11.8) 2 (11.8)  
 II 5 (10.4) 1 (3.2)   4 (23.5) 0  
 III 2 (4.2) 5 (16.1)   0 4 (23.5)  
 IV 1 (2.1) 6 (19.4)   0 2 (11.8)  
 V 0 2 (6.5)   0 2 (11.8)  
Postoperative hospital day 5.0 (4.0–8.0) 13. 0 (9.0–19.0) < 0.01 7.0 (4.0–10.0) 11.0 (9.0–20.0) 0.01
  1. PSM propensity score matching, LRH laparoscopic repeat hepatectomy, ORH open repeat hepatectomy