Table 2.

Analysis of lymph node harvest between patients of the open and laparoscopic groups

	Open resection (n =233)	Laparoscopic resection(n = 227)	P
Harvested lymph nodes (total)	14.2 ± 0.5	20.0 ± 0.7	<0.01§
Stage I	11.8 ± 1.0	18.1 ± 1.5	0.01§
Stage II	14.4 ± 0.7	21.8 ± 1.1	<0.01§
Stage III	14.9 ± 0.9	19.8 ± 1.0	<0.01§
Involved lymph nodes	3.9 ± 0.3	3.3 ± 0.8	0.6§

^§Mann-Whitney test.