Impact of postoperative complications on long-term survival after radical resection for gastric cancer

Table 1 Intergroup comparison of epidemiological and treatment-related variables in 432 patients

Variable	Postoperative	No postoperative	P value
	complications	complications
	(n = 54)	(n = 378)
Age (yr), median (range)	60 (28-80)	59 (23-76)	0.5161
Sex			0.2362
Male	37	226
Female	17	152
ASA grade			0.0002
I	24	341
II	18	33
III	11	4
IV	1	0
Body mass index (kg/m2)			0.0402
< 28	42	332
≥ 28	12	46
TNM stage			0.3582
I	5	49
II	9	94
III	28	174
IV	12	61
Tumor size (cm), mean (range)	4.9 (2.0-12.0)	4.7 (0.5-12.0)	0.3381
Combined organ resection			0.0002
No	35	346
Yes	19	32
Neoadjuvant therapy			0.1262
No	50	366
Yes	4	12
Median (range) duration of operation (min)	220 (175-310)	195 (160-300)	0.0001

¹t test;

²Pearson χ². ASA: American Society of Anesthesiologists; TNM: Tumor-node-metastases.