Table 3 Univariate analysis of prognostic factors for survival
Variable | Â | Univariate, hazard ratio (95% Confidence interval) | P value |
|---|---|---|---|
Gender | Male | 1 | 0.531 |
Female | 0.898 (0.641, 1.258) | Â | |
Body mass index | <19 | 1 | 0.841 |
~Â <Â 25 | 0.990 (0.626, 1.565) | 0.964 | |
~Â <Â 30 | 1.095 (0.656,1.830) | 0.728 | |
≥30 | 0.665 (0.200,2.217) | 0.507 | |
Postoperative hospital stay | 1.001 (0.990, 1.012) | 0.895 | |
Reoperation | No | 1 | 0.726 |
Yes | 1.172 (0.481, 2.859) | Â | |
Multi-tumor | No | 1 | 0.147 |
Yes | 0.259 (0.036, 1.850) | Â | |
Total number of dissected lymph nodes | 1.008 (0.999, 1.018) | 0.086 | |
Proximal resection margin | 0.943 (0.851, 1.044) | 0.257 | |
Gastrectomy | Distal subtotal gastrectomy | 1 | <0.001 |
Total gastrectomy | 1.894 (1.359, 2.640) | Â | |
Location | Middle | 1 | 0.006 |
Middle-lower | 1.565 (1.137, 2.153) | Â | |
Differentiation | Well | 1 | 0.019 |
Moderate | 1.032 (0.580, 1.837) | 0.914 | |
Poor | 1.609 (0.932, 2.780) | 0.088 | |
Blood loss volume | 1.001 (1.000, 1.002) | 0.005 | |
Age | ≤60 | 1 | 0.002 |
>60 | 1.654 (1.210, 2.260) | Â | |
Operation duration | 1.003 (1.001, 1.005) | <0.001 | |
Complications | No | 1 | 0.015 |
Yes | 1.708 (1.104, 2.642) | Â | |
Neoadjuvant chemotherapy | No | 1 | <0.001 |
Yes | 1.791 (1.297, 2.475) | Â | |
Adjuvant Chemotherapy | No | 1 | <0.001 |
Yes | 10.850 (3.459, 34.033) | Â | |
Tumor size | ≤5 cm | 1 | <0.001 |
>5Â cm | 2.828 (2.052, 3.897) | Â | |
Lymphovascular invasion | No | 1 | <0.001 |
Yes | 2.622 (1.902, 3.615) | Â | |
T stage | T1 | 1 | <0.001 |
T2 | 3.961 (1.024, 15.322) | 0.046 | |
T3 | 9.944 (2.485, 39.790) | 0.001 | |
T4 | 12.988 (4.136, 40.782) | <0.001 | |
N stage | N0 | 1 | <0.001 |
N1 | 2.542 (1.425, 4.532) | 0.002 | |
N2 | 3.045 (1.690, 5.487) | <0.001 | |
N3 | 6.562 (4.017, 10.719) | <0.001 | |