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Table 3 Univariate and multivariate analyses of survival after PSM in surgical group

From: Comparison of overall survival of gastric neoplasms containing neuroendocrine carcinoma components with gastric adenocarcinoma: a propensity score matching study

Patient Characteristics Univariate analysis Multivariate analysis
HR 95% CI P value HR 95% CI P value
Age (year) 0.993 0.966–1.021 0.608    
Gender
 male vs. female 0.542 0.271–1.084 0.083    
 BMI 0.989 0.915–1.069 0.782    
Adjuvant therapy
 Yes vs. No 9.490 3.411–26.400 < 0.001 23.434 2.348–222.841 0.007
Tumor size
 ≥ 5 cm vs. < 5 cm 2.557 1.458–4.485 0.001 1.318 0.710–2.448 0.381
Tumor category
 Carcinoma with NEC component vs. Gastric adenocarcinoma vs. 2.067 1.150–3.715 0.015 1.955 1.050–3.642 0.035
Type of gastrectomy    0.021    0.230
 Total gastrectomy 1 1 1 1
 Distal gastrectomy 0.382 0.193–0.758 0.006 0.545 0.256–1.160 0.115
 Proximal gastrectomy 0.643 0.268–1.543 0.323 1.130 0.449–2.844 0.795
Surgical procedure    0.499    
 Laparoscopic vs. Open 0.959 0.491–1.874 0.904    
TNM stage    < 0.001    0.009
 I 1 1 1 1  
 II 3.678 1.254–10.756 0.018 0.176 0.021–1.484 0.110
 III 10.657 4.161–27.296 < 0.001 0.487 0.062–3.802 0.492
 IV 30.036 3.443–262.046 0.002 2.477 0.139–44.100 0.537