Postoperative mortality and morbidity after D2 lymphadenectomy for gastric cancer: A retrospective cohort study

Table 6 Factors associated with surgical complications in univariate and multivariate analysis

	Univariate analysis			Multivariate analysis
	Number of cases	%	P value	T ratio	P value
Male sex	9	52.9	0.653	0.4193	0.675
Age > 65 yr	10	58.8	0.502	1.192	0.235
Type of surgery (subtotal gastrectomy)	10	58.8	0.595
Kattan score ≥ 100	14	82.3	0.116	0.08543	0.932
Lymph nodes > 35	16	94.1	0.002	3.222	0.001
Primary site			0.609
Gastroesophageal junction	4	23.5
Upper third	1	5.9
Middle third	2	11.8
Lower third	10	58.8
Depth			0.045	0.8208	0.413
Mucosa	0
Submucosa	2	11.8
Muscularis Propria	2	11.8
Subserosa (suspected invasion)	5	29.4
Subserosa (certain invasion)	3	17.6
Serosa	2	11.8
Adjacent structures	3	17.6
Histological type (Lauren classification)			0.817
Enteric type	8	47.1
Diffuse type	4	23.5
Mixed type	5	29.4
T status			0.054	1.102	0.272
T1a	0
T1b	2	11.8
T2	7	41.2
T3	4	23.5
T4a	1	5.9
T4b	3	17.6
Stage AJCC/TNM			0.019	0.8237	0.411
IA	1	5.9
IB	0
IIA	3	17.6
IIB	5	29.4
IIIA	3	17.6
IIIB	4	23.5
IIIC	1	5.9

AJCC: American Joint Committee on Cancer.