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. 2021 Mar 24;2021:1274527. doi: 10.1155/2021/1274527

Table 2.

Univariate and multivariate Cox analysis of the determinants of overall survival (OS) of patients with gastric signet ring cell carcinoma (GSRC).

Variables Univariate analysis Multivariate analysis
HR (95% CI) P value HR (95% CI) P value
Age at diagnose (years)
 18-44 1
 45-64 1.118 (0.937-1.334) 0.215
Race
 Black 1 1
 Other 0.672 (0.517-0.873) 0.003 0.658 (0.501-0.864) 0.003
 White 0.948 (0.765-1.174) 0.624 0.870 (0.694-1.090) 0.226
Sex
 Female 1
 Male 0.974 (0.840-1.129) 0.722
Marital status
 Married 1 1
 Unmarried 1.210 (1.036-1.412) 0.016 1.108 (0.943-1.301) 0.214
Primary site
 Proximal third (cardia and fundus) 1 1
 Mid third (body and lesser curvature) 0.741 (0.588-0.934) 0.011 0.815 (0.642-1.035) 0.094
 Distal third (antrum and pylorus) 0.882 (0.713-1.092) 0.249 0.831 (0.664-1.040) 0.106
 Greater curvature 0.932 (0.661-1.313) 0.687 0.887 (0.625-1.258) 0.500
 Overlapping lesions 1.314 (1.012-1.705) 0.040 0.808 (0.613-1.065) 0.130
 NOS 0.985 (0.712-1.362) 0.927 0.870 (0.623-1.215) 0.413
Grade
 Moderately differentiated (II) 1
 Poorly differentiated (III) 1.230 (0.695-2.178) 0.477
 Undifferentiated (IV) 1.362 (0.701-2.645) 0.362
T stage
 T1 1 1
 T2 2.624 (1.598-4.310) <0.001 2.562 (1.534-4.278) <0.001
 T3 5.877 (3.951-8.740) <0.001 4.668 (3.028-7.195) <0.001
 T4 11.257 (7.604-16.670) <0.001 7.353 (4.740-11.406) <0.001
N stage
 N0 1 1
 N1 2.189 (1.678-2.854) <0.001 1.327 (1.001-1.759) 0.049
 N2 2.689 (2.091-3.458) <0.001 1.528 (1.166-2.002) 0.002
 N3 4.496 (3.580-5.647) <0.001 1.724 (1.312-2.265) <0.001
M stage
 M0 1 1
 M1 3.547 (2.958-4.254) <0.001 2.113 (1.746-2.557) <0.001
Tumor size (cm)
 ≤5 1 1
 >5 2.338 (2.010-2.720) <0.001 1.276 (1.082-1.504) 0.004
PLNE
 <15 1 1
 ≥15 2.800 (2.335-3.357) <0.001 1.418 (1.135-1.771) 0.002
Radiation
 No/unknown 1
 Yes 0.909 (0.784-1.055) 0.211
Chemotherapy
 No/unknown 1 1
 Yes 1.399 (1.176-1.666) <0.001 0.669 (0.555-0.807) <0.001
Year of diagnose 0.964 (0.942-0.987) 0.002 1.000 (0.976-1.025) 0.987

HR: hazard ratio; CI: confidence interval; PLNE: number of positive lymph nodes.