Table 5 Univariate and multivariate analysis in elderly patients with gastric cancer for DSS

Age (≥80 vs < 80 years)

1.548

0.909–2.634

0.107

Sex (female vs male)

1.185

0.694–2.025

0.534

BMI (< 22.0 vs ≥22.0 kg/m²)

1.029

0.614–1.722

0.914

ASA-PS score (2.3 vs 1)

1.097

0.438–2.753

0.843

Histology (undifferentiated vs differentiated)

2.582

1.541–4.326

< 0.001

1.881

1.114–3.175

0.018

Lymphatic invasion (present vs absent)

15.156

4.739–48.463

0.001

1.370

0.371–5.062

0.637

Venous invasion (present vs absent)

5.477

2.839–10.566

< 0.001

2.263

1.126–4.545

0.022

pT (≥2 vs 1)

41.223

10.056–168.996

< 0.001

11.642

2.690–50.397

< 0.001

pN (present vs absent)

10.522

5.565–19.895

< 0.001

3.621

1.849–7.091

< 0.001

Operation duration (≥154 vs < 154 min)

1.301

0.407–4.161

0.657

Bleeding (≥206 vs < 206 mL)

3.230

1.879–5.551

< 0.001

2.137

1.236–3.695

0.007

GNRI (< 95.8 vs ≥95.8)

3.059

1.778–5.263

< 0.001

1.780

1.025–3.025

0.043