
Group D
(n=31) 
Group P
(n=31) 
Significance 
Age(year) 


t=0.779
P=0.439 
MinMax 
2556 
2250 
Mean ± SD 
39.7 ± 9.9 
37.9 ± 8.6 
Gender 


X^{2}=1.03
P=0.309 
Male 
18 (58.1%) 
14 (45.2%) 
Female 
13 (41.9%) 
17 (54.8%) 
Weight (kg) 


t=1.724
P=0.09 
MinMax 
6888 
6585 
Mean ± SD 
79.4 ± 5.8 
76.9 ± 5.5 
Surgical time (min) 


t=1.712
P=0.092 
MinMax 
4765 
4475 
Mean ± SD 
56.2 ± 6.1 
59.9 ± 10.4 
t: ttest X^{2}: ChiSquare test 