4.
Characteristics | ELN<16 | ELN 16−30 | ELN>30 | |||||
HR (95% CI) | P | HR (95% CI) | P | HR (95% CI) | P | |||
ELN, examined lymph node; GC, gastric cancer; 5-YSR, 5-year survival rate; HR, hazard ratio; 95% CI, 95% confidence interval; The eighth edition of TNM classification for GC was adopted for postoperatively pathological stages of all included patients. | ||||||||
Age at surgery | Reference | Reference | 1.130 (1.028−1.242) | 0.012 | 1.037 (0.948−1.135) | 0.432 | ||
Tumor location | Reference | Reference | 1.118 (1.015−1.232) | 0.024 | 1.033 (0.944−1.131) | 0.480 | ||
Tumor size | Reference | Reference | 1.243 (1.131−1.367) | <0.001 | 1.104 (1.009−1.267) | 0.031 | ||
Lauren classification | Reference | Reference | 1.210 (1.101−1.330) | <0.001 | 1.064 (0.973−1.164) | 0.173 | ||
Type of gastrectomy | Reference | Reference | 1.268 (1.150−1.398) | 0.001 | 1.118 (1.022−1.225) | 0.015 | ||
pT stage | Reference | Reference | 1.139 (1.036−1.252) | 0.007 | 1.052 (0.962−1.152) | 0.269 | ||
pN stage | Reference | Reference | 2.176 (1.960−2.415) | <0.001 | 1.354 (1.234−1.486) | <0.001 | ||
Ratio between metastatic and ELNs | Reference | Reference | 1.151 (1.046−1.266) | 0.004 | 1.031 (0.942−1.228) | 0.510 |