Table 1 Patients’ demographics and perioperative clinical characteristics
From: Prognostic significance of metastatic lymph node ratio in gastric cancer: a Western-center analysis
Parameters | N = 333 | % | |
|---|---|---|---|
Age (years, mean ± SD) | 62 ± 12 | ||
Sex | Male | 230 | 69.1% |
Female | 103 | 30.9% | |
Tumor-node-metastasis (TNM) Stage | I | 42 | 12.6% |
II | 62 | 18.6% | |
III | 229 | 68.8% | |
Operation type | Total gastrectomy | 152 | 45.6% |
Subtotal gastrectomy | 158 | 47.5% | |
Proximal gastrectomy | 23 | 6.9% | |
Tumor site | Upper third | 73 | 21.9% |
Middle third | 116 | 34.9% | |
Lower third | 111 | 33.3% | |
Linitis Plastica | 33 | 9.9% | |
World Health Organization (WHO) classification | Tubular | 63 | 18.9% |
Solid | 8 | 2.4% | |
Poorly cohesive | 51 | 15.3% | |
Mixed | 207 | 62.2% | |
Unknown | 4 | 1.2% | |
Lauren classification | Intestinal type | 176 | 52.9% |
Diffuse type | 57 | 17.1% | |
Mixed | 100 | 30% | |
Tumor size (cm, median—range) | 5.5 (1—20) | ||
Lymphatic invasion | Absent | 47 | 14.1% |
Present | 286 | 85.9% | |
Vascular invasion | Absent | 141 | 42.3% |
Present | 192 | 57.7% | |
Perineural invasion | Absent | 88 | 26.4% |
Present | 245 | 73.6% | |
Lymph Node Ratio (LNR) | LNR0 | 75 | 22.5% |
LNR1 | 55 | 16.5% | |
LNR2 | 59 | 17.7% | |
LNR3 | 144 | 43.3% | |