Table 2 Clinicopathological features according to lymph node ratio
From: Prognostic significance of metastatic lymph node ratio in gastric cancer: a Western-center analysis
Parameters | LNR0 n = 75 (%) | LNR1 n = 55 (%) | LNR2 n = 59 (%) | LNR3 n = 144 (%) | P-value | |
|---|---|---|---|---|---|---|
Age (years, mean ± SD) | 64 ± 11 | 62 ± 12 | 60 ± 12 | 63 ± 12 | 0.241 | |
Sex | Male | 51 (68) | 41 (74.5) | 45 (76.3) | 93 (64.6) | 0.30 |
Female | 24 (32) | 14 (25.5) | 14 (23.7) | 51 (35.4) | ||
Tumor-node-metastasis (TNM) Stage | I | 38 (50.7) | 2 (3.6) | 1 (1.7) | 1 (0.7) | < 0.001 |
II | 30 (40) | 22 (40) | 8 (13.6) | 2 (1.4) | ||
III | 7 (9.3) | 31 (56.4) | 50 (84.7) | 141 (97.9) | ||
World Health Organization (WHO) classification | Tubular | 26 (34.7) | 15 (27.3) | 10 (16.9) | 12 (8.3) | < 0.001 |
Solid | 3 (4) | 3 (5.5) | 0 | 2 (1.4) | ||
Poorly cohesive | 7 (9.3) | 6 (10.9) | 9 (15.3) | 29 (20.1) | ||
Mixed | 38 (50.7) | 31 (56.3) | 40 (67.8) | 98 (68.1) | ||
Unknown | 1 (1.3) | 0 | 0 | 3 (2.1) | ||
Lymphatic invasion | Absent | 35 (46.7) | 6 (10.9) | 2 (3.4) | 4 (2.8) | < 0.001 |
Present | 40 (53.3) | 49 (89.1) | 57 (96.6) | 140 (97.2) | ||
Vascular invasion | Absent | 54 (72) | 30 (54.5) | 22 (37.3) | 35 (24.3) | < 0.001 |
Present | 21 (28) | 25 (45.5) | 37 (62.7) | 109 (75.7) | ||
Perineural invasion | Absent | 46 (61.3) | 18 (32.7) | 8 (13.6) | 16 (11.1) | < 0.001 |
Present | 29 (38.7) | 37 (67.3) | 51 (86.4) | 128 (88.9) | ||