Table 6 Univariate and multivariate analyses of prognostic factors for OS in RGC patients

Age (≧75 vs <75)

0.966

0.557–1.675

0.903

Sex (female vs male)

1.084

0.573–2.052

0.803

ECOG PS (2 vs 0, 1)

1.542

0.929–2.560

0.094

BMI (< 18.5 vs ≧18.5)

1.859

1.101–3.132

0.020

1.142

0.597–2.184

0.688

SMI (low vs high)

1.744

1.035–2.939

0.037

1.938

1.041–3.608

0.037

pT (4 vs 1, 2, 3)

1.281

0.752–2.181

0.362

pN (2, 3 vs 1, 2)

1.310

0.775–2.211

0.313

Lymphatic invasion (2, 3 vs 0, 1)

1.739

0.964–3.133

0.066

Venous invasion (2, 3 vs 0, 1)

1.266

0.759–2.110

0.367

Histologic type (undifferentiated vs differentiated)

2.140

1.272–3.601

0.004

1.860

1.067–3.241

0.028

Type of gastrectomy (proximal/distal vs total)

0.885

0.538–1455

0.629

Adjuvant chemotherapy (present vs absent)

0.793

0.453–1.388

0.417

PNI (< 44.0 vs ≧44.0)

1.892

1.119–3.198

0.017

1.720

0.895–3.305

0.104

Peritoneum recurrence (present vs absent)

1.414

0.831–2.405

0.202

Lymph node recurrence (present vs absent)

0.970

0.568–1.657

0.912

Haematogenous metastasis (present vs absent)

1.000

0.606–1.649

0.999