Efficacy and outcome of extensive intraoperative peritoneal lavage plus surgery vs surgery alone with advanced gastric cancer patients

Table 1 The baseline characteristic analysis of the patients

Variables	Non-EIPL group, n = 75	EIPL group, n = 75	P value
Age in yr	66.93 ± 9.38	64.55 ± 8.22	0.099
Sex			0.200
Male	51	58
Female	24	17
BMI in kg/m2	21.51 ± 2.29	21.64 ± 3.34	0.786
Smoking status			0.373
Yes	55	50
No	20	25
Tumor location			0.260
Upper	21	14
Middle	11	17
Low	43	44
Differentiated grade			0.121
High	0	0
Middle	55	45
Low	20	30
T stage			0.405
T3	4	2
T4	71	73
N stage			0.112
N0	13	24
N1	18	12
N2	14	17
N3	30	22
Tumor size in cm	5.52 ± 2.21	5.37 ± 2.32	0.671
Borrmann classification			0.100
II	7	14
III	68	61
CEA in g/L	16.21 ± 78.06	14.13 ± 35.88	0.834
Neutrophil count as 109/L	3.49 ± 1.32	4.71 ± 8.39	0.215
Lymphocyte count as 109/L	1.35 ± 0.47	1.76 ± 2.48	0.164
NLR	3.02 ± 1.96	3.03 ± 2.20	0.989
Platelet as 109/L	202.52 ± 61.39	226.19 ± 90.94	0.064

BMI: Body mass index; CEA: Carcinoembryonic antigen; EIPL: Extensive intraoperative peritoneal lavage; NLR: Neutrophil to lymphocyte ratio.