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Table 2 Tumor characteristics and operative outcomes before and after PSM

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

 

Before propensity score matching

After propensity score matching

LRH (n = 48)

ORH (n = 31)

P-value

LRH (n = 17)

ORH (n = 17)

P-value

Tumor size (cm)

2.3 ± 1.0

4.2 ± 2.7

< 0.01

2.9 ± 0.9

2.8 ± 1.4

0.79

Number of tumors

  

0.13

  

0.67

 Single

42 (87.5)

23 (74.2)

 

14 (82.4)

13 (76.5)

 

 Multiple

6 (12.5)

8 (25.8)

 

3 (17.6)

4 (23.5)

 

Location (Couinaud section)

  

0.70

  

0.23

 Segments II, III, IV, V, VI

32 (66.7)

18 (58.1)

 

11 (64.7)

6 (35.3)

 

 Segments VII, VIII, I

12 (25.0)

9 (29.0)

 

5 (29.4)

9 (52.9)

 

 Bilober

4 (8.3)

4 (12.9)

 

1 (5.9)

2 (11.8)

 

Pathological diagnosis

  

-

  

-

 HCC

36 (75.0)

26 (83.9)

 

13 (76.5)

14 (82.4)

 

 ICC

3 (6.3)

2 (6.5)

 

1 (5.9)

1 (5.9)

 

 CRLM

8 (16.6)

2 (6.5)

 

3 (17.6)

2 (11.8)

 

 Hepatic benign tumor

1 (2.1)

1 (3.2)

 

0

0

 
  1. PSM propensity score matching, LRH laparoscopic repeat hepatectomy, ORH open repeat hepatectomy, HCC hepatocellular carcinoma, ICC intrahepatic cholangiocarcinoma, CRLM colorectal liver metastases