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Table 2 Univariate and multivariate analysis of patients with macroscopic peritoneal involvement treated with upfront surgery

From: Looking for a strategy in treating peritoneal gastric cancer carcinomatosis: an Italian multicenter Gastric Cancer Research group’s analysis

Variable Univariate Multivariate
HR P
Age
> 68 (ref.) 0.33 1.04 0.59
< 68    
Gender
Female 0.22 1.17 0.80
Male (ref)    
Tumor location
Upper (ref.)    
Body 0.53 1.03 0.10
Antrum    
Surgery type
Subtotal gastrectomy    
Total gastrectomy (ref.) 0.36 2.35 0.07
Lymphadenectomy
D1 (ref.)    
D2 0.04 2.76 0.03
PLUS    
pT
3    
4a (ref.) 0.002 2.14 0.12
4b    
pN    
N1 (ref)    
N2 0.003 1.49 0.3
N3    
Lauren’s istotype
Intestinal 0.56 2.35 0.08
Diffuse    
HIPEC
Yes 0.07 0.34 0.11
No    
Surgical radicality
R0 (ref.)    
R1 0.01 1.68 0.03
R2    
Peritoneal involvement
P1 (ref)    
P2 0.023 1.03 0.03
P3    
Adjuvant chemotherapy
Yes 0.34 1.17 0.73
No