Variable | Univariate analysis | Multivariate analysis | Univariate analysis | Multivariate analysis | ||||
---|---|---|---|---|---|---|---|---|
3-year OS | 3-year OS | 3-year RFS | 3-year RFS | |||||
HR (95% CI) | P | HR (95% CI) | P | HR (95% CI) | P | HR (95% CI) | P | |
Gender | ||||||||
 Male | 1 |  |  |  | 1 |  |  |  |
 Female | 0.788 (0.341–1.823) | 0.578 |  |  | 1.020 (0.431–2.412) | 0.964 |  |  |
Age (years) | ||||||||
 < 65 | 1 |  |  |  | 1 |  |  |  |
 ≥ 65 | 1.234 (0.616–2.472) | 0.554 |  |  | 0.929 (0.431–2.002) | 0.851 |  |  |
BMI(kg/m2) | ||||||||
 < 25 | 1 |  |  |  | 1 |  |  |  |
 ≥ 25 | 0.856 (0.300–2.442) | 0.772 |  |  | 0.809 (0.243–2.687) | 0.729 |  |  |
ASA | ||||||||
 1 | 1 |  | 1 |  | 1 |  | 1 |  |
 2 | 2.261 (1.038–4.929) | 0.04 | 1.548 (0.701–3.422) | 0.280 | 2.573 (1.141–5.801) | 0.041 | 2.089 (0.917–4.758) | 0.080 |
 3 | 3.732 (1.371–10.156) | 0.01 | 1.898 (0.628–5.730) | 0.256 | 1.563 (0.429–5.695) | 0.499 | 0.744 (0.197–2.813) | 0.663 |
Comorbidity | ||||||||
 No | 1 |  |  |  | 1 |  |  |  |
 Yes | 0.846 (0.401–1.789) | 0.662 |  |  | 0.528 (0.245–1.139) | 0.104 |  |  |
Tumor (mm) | ||||||||
 < 50 | 1 |  |  |  | 1 |  |  |  |
 ≥ 50 | 1.528 (0.754–3.098) | 0.239 |  |  | 1.264 (0.591–2.701) | 0.546 |  |  |
Tumor location | ||||||||
 Upper | 1 |  |  |  | 1 |  |  |  |
 Middle | 0.573 (0.188–1.741) | 0.326 |  |  | 0.802 (0.255–2.521) | 0.706 |  |  |
 Lower | 0.852 (0.369–1.970) | 0.708 |  |  | 1.100 (0.456–2.656) | 0.832 |  |  |
 Mix | 1.625 (0.583–4.531) | 0.353 |  |  | 1.140 (0.317–4.094) | 0.841 |  |  |
 T stage |  |  |  |  |  |  |  |  |
 T1 + T2 | 1 |  | 1 |  | 1 |  |  |  |
 T3 + T4 | 2.197 (1.082–4.464) | 0.029 | 2.145 (0.985–4.668) | 0.055 | 1.753 (0.818–3.756) | 0.149 |  |  |
 N stage |  |  |  |  |  |  |  |  |
 N0 | 1 |  | 1 |  | 1 |  | 1 |  |
 N1 | 4.586 (1.756–11.979) | 0.002 | 3.134 (1.148–8.551) | 0.026 | 4.558 (1.568–13.249) | 0.005 | 3.956 (1.313–11.917) | 0.015 |
Surgical method | ||||||||
 Open | 1 |  |  |  | 1 |  |  |  |
 Laparoscopic | 0.698 (0.330–1.474) | 0.346 |  |  | 0.778 (0.340–1.779) | 0.552 |  |  |
Gastrectomy extent | ||||||||
 Total | 1 |  |  |  | 1 |  |  |  |
 Distal | 0.691 (0.310–1.540) | 0.366 |  |  | 1.201 (0.539–2.673) | 0.654 |  |  |
 Proximal | 0 (0) | 0.982 |  |  | 0(0) | 0.984 |  |  |
Ki-67 positive index (%) | ||||||||
 < 60 | 1 |  | 1 |  | 1 |  | 1 |  |
 ≥ 60 | 4.874 (1.872–12.689) | 0.001 | 3.710(1.372–10.033) | 0.010 | 11.553(2.729–48.913) | 0.001 | 8.210(1.912–35.256) | 0.005 |
Complication | ||||||||
 No | 1 |  |  |  | 1 |  |  |  |
 Yes | 1.645 (0.820–3.298) | 0.161 |  |  | 1.200 (0.525–2.742) | 0.666 |  |  |
Adjuvant chemotherapy | ||||||||
 No | 1 |  |  |  | 1 |  |  |  |
 Yes | 1.428 (0.697–2.925) | 0.33 |  |  | 1.248 (0.579–2.691) | 0.572 |  |  |
Martin et al. [27] | ||||||||
 High | 1 |  |  |  | 1 |  |  |  |
 Low | 1.667 (0.789–3.523) | 0.181 |  |  | 1.868 (0.817–4.272) | 0.138 |  |  |
 SMI |  |  |  |  |  |  |  |  |
 High | 1 |  | 1 |  | 1 |  | 1 |  |
 Low | 2.639 (1.270–5.483) | 0.009 | 2.735 (1.246–6.001) | 0.012 | 2.356 (1.077–5.153) | 0.032 | 2.825 (1.250–6.386) | 0.013 |