Factors

Differentiated type group (n = 24)

Undifferentiated type group (n = 23)

P-value

Procedure

   DG/TG/PG

14/9/1

17/6/0

0.441

Approach

   Open/Lap

14/10

19/4

0.111

Lymph node dissection area

   D1/D1+/D2

6/4/14

10/2/11

0.388

Number of dissected lymph nodes*

21.5 (7-43)

25.0 (4-51)

0.287

Operation time*

256 (143-645)

250 (145-500)

0.587

Blood loss*

195 (5-1050)

215 (5-3060)

0.595