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Table 2 Univariate and multivariate Cox regression analyses of the prognostic variables in ESCC patients

From: Preoperative serum immunoglobulin G and A antibodies to Porphyromonas gingivalis are potential serum biomarkers for the diagnosis and prognosis of esophageal squamous cell carcinoma

Variables Subsets Univariate analysis (n = 79) Multivariate analysis (n = 79)
Hazard ratio 95% CI P Hazard ratio 95% CI P
Age ≤ 60 vs. >60 1.779 0.628–5.042 0.278
Gender Male vs. Female 0.601 0.212–1.703 0.338
T-stage T1 + T2 vs. T3 + T4 0.875 0.252–3.037 0.834
N-stage No vs. Yes 3.169 1.175–8.545 0.023 12.292 1.399–108.003 0.024
Histological grade G1 vs. G2–G3 2.470 0.920–6.631 0.073
Clinical stage I–II vs. III–IV 0.407 0.150–1.104 0.077
IgG (EU) ≤ 2760 vs. >2760 3.039 1.148–8.041 0.025 4.910 1.473–16.364 0.010
IgA (EU) ≤ 1130 vs. >1130 3.588 1.368–9.409 0.009 4.686 1.492–14.722 0.008