operation time(min) blood loss(ml) postoperative pain socres hospital stay(d)
LS 150±37 46±28 1 6.5±1.5
Conventional open splenectomya 186±45 100±22 3.5±0.5 9.5±1.5
P value <0.05 <0.05 <0.05 <0.05
a Conventional open splenectomy for HS: a retrospective analysis of the perioperative data  of the last six non-complicated cases undergone conventional open splenectomy for HS dated before 1 Aug 2003 
Table 1: comparison betwwen LS and open splenctomy for HS.