Table 3 Survival analysis of variables predicting prognostic factors for disease-specific survival in elderly patients with gastric cancer after gastrectomy

Sex (male)

0.831

0.279–2.473

0.739

ECOG PS (≧ 2)

3.73

1.203–11.57

0.023

7.978

1.633–38.97

0.01

Glasgow prognostic score (≧ 1)

2.428

0.815–7.24

0.111

Prognostic nutritional index

0.927

0.850–1.012

0.089

NRC-mortality

1.272

1.039–1.558

0.020

1.038

0.794–1.357

0.785

pStage (≧ II)

5.464

1.679–17.78

0.005

9.375

2.202–39.92

0.002

Surgical procedure (total gastrectomy)

1.865

0.623–5.583

0.265

Lymphadenectomy (< D2)

0.623

0.209–1.854

0.395

Operative time

1

0.991–1.003

0.324

Blood loss

1

0.998–1.001

0.696

Postoperative complications^a (yes)

2.744

0.921–8.178

0.070

Adjuvant chemotherapy (yes)

0.386

0.337–19.94

0.360