Table 1.
Valid (n) | Missing (n) | Total (n) | MET negative [n (%)] | MET positive [n (%)] | P‐value | ||
---|---|---|---|---|---|---|---|
Gender | 470 | 0 | Men | 291 | 265 (91.1) | 26 (8.9) | 0.041a |
Women | 179 | 172 (96.1) | 7 (3.9) | ||||
Age | 470 | 0 | <68 years | 233 | 214 (91.8) | 19 (8.2) | 0.371a |
≥68 years | 237 | 223 (94.1) | 14 (5.9) | ||||
Localization | 470 | 0 | Proximal stomach | 143 | 128 (89.5) | 15 (10.5) | 0.075a |
Distal stomach | 327 | 309 (94.5) | 18 (5.5) | ||||
Laurén phenotype | 470 | 0 | Intestinal | 241 | 228 (94.6) | 13 (5.4) | 0.060a |
Diffuse | 147 | 137 (93.2) | 10 (6.8) | ||||
Mixed | 31 | 25 (80.6) | 6 (19.4) | ||||
Unclassified | 51 | 47 (92.2) | 4 (7.8) | ||||
Mucin phenotype | 412 | 58 | Intestinal | 117 | 113 (96.6) | 4 (3.4) | 0.237a |
Gastric | 62 | 57 (91.9) | 5 (8.1) | ||||
Mixed | 169 | 153 (90.5) | 16 (9.5) | ||||
Unclassified | 64 | 60 (93.8) | 4 (6.2) | ||||
pT‐category | 470 | 0 | pT1a/b | 59 | 57 (96.6) | 2 (3.4) | 0.043b |
pT2 | 56 | 55 (98.2) | 1 (1.8) | ||||
pT3 | 184 | 170 (92.4) | 14 (7.6) | ||||
pT4a/b | 171 | 155 (90.6) | 16 (9.4) | ||||
pN‐category | 469 | 1 | pN0 | 134 | 131 (97.8) | 3 (2.2) | 0.004b |
pN1 | 65 | 64 (98.5) | 1 (1.5) | ||||
pN2 | 85 | 74 (87.1) | 11 (12.9) | ||||
pN3 (a/b) | 185 | 167 (90.3) | 18 (9.7) | ||||
Lymph node ratio | 468 | 2 | <0.189 | 229 | 221 (96.5) | 8 (3.5) | 0.004a |
≥0.189 | 239 | 214 (89.5) | 25 (10.5) | ||||
Stage (UICC) | 470 | 0 | IA | 46 | 45 (97.8) | 1 (2.2) | <0.001b |
IB | 36 | 36 (100.0) | 0 (0.0) | ||||
IIA | 55 | 54 (98.2) | 1 (1.8) | ||||
IIB | 46 | 43 (93.5) | 3 (6.5) | ||||
IIIA | 55 | 51 (92.7) | 4 (7.3) | ||||
IIIB | 80 | 73 (91.2) | 7 (8.8) | ||||
IIIC | 64 | 58 (90.6) | 6 (9.4) | ||||
IV | 88 | 77 (87.5) | 11 (12.5) | ||||
Lymphatic invasion | 455 | 15 | pL0 | 221 | 214 (96.8) | 7 (3.2) | 0.003a |
pL1 | 234 | 210 (89.7) | 24 (10.3) | ||||
Venous invasion | 454 | 16 | pV0 | 403 | 379 (94.0) | 24 (6.0) | 0.068a |
pV1 | 51 | 44 (86.3) | 7 (13.7) | ||||
Tumour grade | 469 | 1 | G1/G2 | 112 | 110 (98.2) | 2 (1.8) | 0.010a |
G3/G4 | 357 | 326 (91.3) | 31 (8.7) | ||||
R‐status | 470 | 0 | pR0 | 410 | 387 (94.4) | 23 (5.6) | 0.005a |
pR1 | 60 | 50 (83.3) | 10 (16.7) | ||||
Survival | 455 | 15 | Total | 455 | 425 (93.4) | 30 (6.6) | |
Dead | 354 | 325 (91.8) | 29 (8.2) | ||||
Median (months ± SD; 95%CI) | 16.69 ± 1.42 (13.90–19.48) | 5.42 ± 0.97 (3.53–7.32) | <0.001c | ||||
Helicobacter pylori | 402 | 68 | Positive | 60 | 56 (93.3) | 4 (6.7) | 0.769a |
Negative | 342 | 322 (94.2) | 20 (5.8) | ||||
EBV | 453 | 17 | Positive | 17 | 15 (88.2) | 2 (11.8) | 0.356a |
Negative | 436 | 405 (92.9) | 31 (7.1) | ||||
KRAS | 470 | 0 | Wild‐type | 453 | 420 (92.7) | 33 (7.3) | 0.622a |
Mutant | 17 | 17 (100.0) | 0 | ||||
PIK3CA | 470 | 0 | Wild‐type | 450 | 417 (92.7) | 33 (7.3) | 0.384a |
Mutant | 20 | 20 (100.0) | 0 (0.0) | ||||
MSI status | 441 | 29 | MSS | 407 | 376 (92.4) | 31 (7.6) | 0.155a |
MSI high | 34 | 34 (100.0) | 0 | ||||
HER2 | 443 | 27 | Positive | 36 | 35 (97.2) | 1 (2.8) | 0.497a |
Negative | 407 | 377 (92.6) | 30 (7.4) |
EBV, Epstein–Barr virus; MSI, Microsatellite instability; HER2, Human epidermal growth factor receptor 2; SD, Standard deviation; MET, Hepatocyte growth factor receptor; UICC, Union for International Cancer Control.
Fisher's exact test.
Kendall's tau test.
Log‐rank test.