Clinical significance of lymphadenectomy in patients with gastric cancer

Table 1 The primary and revised results of prospective randomized trials comparing D1 to D2 dissection

Ref.	Morbidity (%)		Mortality (%)		Splenectomy (%)		Pancreatectomy (%)		RR (%)		OS (%)
	D1	D2	D1	D2	D1	D2	D1	D2	D1	D2	D1	D2
Dent[32]	13.6a	38a	0	0	0	0	0	0			81	76
British[33,36]	28a	46a	6.5a	13a	27	9	41	571	NS	NS	35	33
Dutch[34,37]	24a	43a	4a	10a	11	37	3	30	43	47	45	47
Dutch - 15 yr[38]									22a	12a	21	29
Taiwanese[39,44]	7.3a	17.1a	0	0	3	1	11	131	50.6	40.3	53.6a	59.5a
Italian[35,43]	12	17.9	3	2.2	6.8	9.0	1.5	1.5			66.5	64.2

^aP < 0.05.

¹Pancreato-splenectomy. RR: Relapse risk; OS: Overall survival; NS: Non-significant.