Prognostic value of perioperative leukocyte count in resectable gastric cancer

Table 1 Patient characteristics

Variables	n	%	Variables	n	%
All patients	614		pTNM stage
Age (yr)			I	76	12.4
Median (range)	58 (18-85)		II	149	24.3
Sex			III	354	57.7
Male	430	70.0	IV	35	5.7
Female	184	30.0	Vascular or neural invasion
Tumor site			Negative	337	54.9
Cardia	148	24.1	Positive	277	45.1
Fundus	10	1.6	Operation method
Body	241	39.3	Promixal gastrectomy	80	13.1
Antrum	193	31.4	Distal gastrectomy	295	48.0
Borrmann type			Total gastrectomy	239	38.9
I/II/III	578	94.1	Resection margins
IV	36	5.9	R0	436	71.0
Histology			R1	178	29.0
Differentiated	89	14.5	Chemotherapy regimens
Undifferentiated	525	85.5	Triplet	253	41.2
Tumor status			Doublet	295	48.0
pT1	51	8.3	Singlet	45	7.3
pT2	80	13.0	None	21	3.4
pT3	123	20.0	Intraoperative blood loss (mL)
pT4	360	58.6	Median (range)	120 (50-1500)
Node status			≤ 200	569	92.7
pN0	150	24.4	> 200	49	7.3
pN1	122	19.9	Intraoperative blood transfusion
pN2	158	25.7	No	537	87.5
pN3	184	30.0	Yes	77	12.5