Table 2.
Independent prognostic factors of 533 GC patients identified by multivariate analysis
| Covariate | χ 2 | P | HR |
95% CI |
|
|---|---|---|---|---|---|
| Lower | Upper | ||||
| Tumor invasion |
13.008 |
< 0.001 |
1.022 |
1.010 |
1.034 |
| LN status |
36.845 |
< 0.001 |
1.462 |
1.293 |
1.653 |
| Distant metastases |
29.004 |
< 0.001 |
2.832 |
1.939 |
4.137 |
| Resection type |
5.900 |
0.015 |
0.430 |
0.218 |
0.850 |
| HIPEC |
3.863 |
0.049 |
1.707 |
1.001 |
2.910 |
| Postoperative SAE |
27.752 |
< 0.001 |
2.507 |
1.781 |
3.528 |
| Systemic chemotherapy | 24.064 | < 0.001 | 0.521 | 0.402 | 0.676 |
GC: gastric cancer; HR: hazard ratio; CI: confidence interval; LN status: lymph node status; HIPEC: hyperthermic intraperitoneal chemotherapy; SAE: serious adverse event.