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

Table 2 Mortality, overall morbidity and surgical morbidity in all patients

Characteristics	Number of cases	Mortality	Overall morbidity	Surgical morbidity
	186	7	40	17
Sex
Male	108	3	24	9
Female	78	4	16	8
		P = 0.4	P = 0.8	P = 0.7
Age
> 65 yr	80	7	22	10
≤ 65 yr	106	0	18	7
		P = 0.002	P = 0.1	P = 0.2
Type of surgery
TG	88	3	11	7
STG	98	4	29	10
		P = 1.0	P = 0.006	P = 0.6
Kattan score
≥ 100 points	121	7	32	14
< 100 points	65	0	8	3
		P = 0.09	P = 0.02	P = 0.1
Lymphadenectomy
> 35 lymph nodes	103	3	24	16
≤ 35 lymph nodes	83	4	16	1
		P = 0.7	P = 0.5	P = 0.0005
Lymph nodes
Negative	74	0	10	4
Positive	112	7	30	13
		P = 0.04	P = 0.04	P = 0.1
T
Early cancer	40	0	5	2
Advanced cancer	146	7	35	15
		P = 0.3	P = 0.1	P = 0.5
Splenectomy	105	4	24	9
Spleen-preserving	81	3	16	8
		P = 1.0	P = 0.7	P = 0.8

TG: Total gastrectomy; STG: Subtotal gastrectomy. All the patients were included in all evaluations. Fisher exact test two-tailed.