Clinical comparison of antrum-preserving double tract reconstruction vs roux-en-Y reconstruction after gastrectomy for Siewert types II and III adenocarcinoma of the esophagogastric junction

Table 4 Univariate Cox regression analysis of overall survival among patients with gastrectomy

Characteristic	HR	95%CI	P value
Age	1.110	1.04-1.19	0.003
Gender	9.160	1.47-56.93	0.018
BMI	0.821	0.68-0.99	0.039
Surgical method	0.573	0.16-2.13	0.406
Intraoperative blood loss	1.000	0.99-1.01	0.496
Length of postoperative hospital stay	1.030	0.92-1.14	0.628
Pleural effusion	24.280	5.53-106.50	< 0.001
Time to first flatus	0.685	0.49-0.96	0.448
Time to resuming a liquid diet	0.685	0.49-0.96	0.026
Lymphorrhagia	9.620	1.48-62.54	0.018
TNM stage	2.310	1.59-3.35	< 0.001

BMI: Body mass index; TNM: Tumor-node-metastasis.