Skip to main content
. 2019 Apr 8;2019:1835085. doi: 10.1155/2019/1835085

Table 2.

Perioperative data, histological findings, and difficulty index.

First period 
(30)
Second period 
(30)
p-value
Conversion rate 0 1 0.32

Op. time 
(min, mean)
377.16 258.6 <0.001∗

Blood loss 
(ml, mean)
484.3 337.3 0.01∗

n. of nodules (mean) 1.27 1.23 0.77

Size  
(mm, mean)
34.6 28.4 0.16

Hosp. Stay  
(days, mean)
4.9 (2-13) 4.9 (2-12) n.a.

Clavien I-II 19 6 <0.001∗

Clavien III-IV 2 1 0.56

Readmission 0 1 0.33

Mortality (30 d) 0 0 n.a.

HCC 17 18 0.79

CHC 0 1 0.32

Metastasis 5 6 0.74

Adenoma 4 2 0.40

Hydatic cyst 2 3 0.65

Low difficulty score 8 (26.7%) 10 (33.3%) 0.58

Intermediate difficulty score 17 (56.7%) 16 (53.3%) 0.79

High difficulty score 5 (16.7%) 4 (13.3%) 0.72

Modal score 5 5

Median score 5 4.5

Mean score 4.97 4.67

Standard deviation 2.04 1.86

Low vs Intermediate p= 0.03∗ p= 0.13

Low vs. High p=0.39 p=0.03∗

Intermediate vs. Low p=0.001∗ p<0.001∗