Table 1.
Clinical characteristic of early gastric cancer
| Total | PD | Poorly D | SRC | Mixed | |
|---|---|---|---|---|---|
| N = 1596 | N = 723 | N = 181 | N = 203 | N = 489 | |
| Age | |||||
| Median | 62 (17–88) | 62 (20–87) | 59 (32–88) | 59 (23–84) | 62 (17–87) |
| Gender | |||||
| Male | 1069 (67) | 494 (68.3) | 120 (66.3) | 124 (61.1) | 331 (66.7) |
| Female | 527 (33) | 229 (31.7) | 61 (33.7) | 79 (38.9) | 158 (32.3) |
| Size | |||||
| (0, 10] | 426 (26.7) | 220 (30.4) | 37 (20.4) | 60 (29.6) | 109 (22.3) |
| (10, 20] | 626 (39.2) | 287 (39.7) | 71 (39.2) | 80 (39.4) | 188 (38.4) |
| (20, 30] | 350 (22.6) | 138 (19.1) | 51 (28.2) | 45 (22.2) | 126 (25.8) |
| (30,) | 184 (11.5) | 78 (10.8) | 22 (12.2) | 18 (8.9) | 66 (13.5) |
| Location | |||||
| Upper | 204 (12.8) | 135 (18.7) | 14 (7.7) | 7 (3.4) | 48 (9.8) |
| Middle | 399 (25.0) | 166 (23) | 46 (25.4) | 58 (28.6) | 129 (26.4) |
| Lower | 979 (61.3) | 418 (57.7) | 118 (65.2) | 137 (67.5) | 306 (62.6) |
| Remnant | 14 (0.9) | 4 (0.6) | 3 (1.7) | 1 (0.5) | 6 (1.2) |
| Depth | |||||
| M | 813 (50.9) | 402 (55.6) | 65 (35.9) | 150 (73.9) | 196 (40.1) |
| Sm | 783 (49.1) | 321 (44.4) | 116 (64.1) | 53 (26.1) | 293 (59.9) |
| Morphology | |||||
| Elevated | 140 (8.8) | 91 (12.6) | 11 (6.1) | 8 (3.9) | 30 (6.1) |
| Flat | 278 (17.4) | 140 (19.4) | 20 (11) | 51 (25.1) | 67 (13.7) |
| Depressed | 1178 (73.8) | 492(68) | 150(82.9) | 144(70.9) | 392(80.2) |
| LNM | |||||
| Absent | 1371 (85.9) | 669 (92.5) | 140 (77.3) | 180 (88.7) | 382 (78.1) |
| Present | 225 (14.1) | 54 (7.5) | 41 (22.7) | 23 (11.3) | 107 (21.9) |
| N1 | 170 (75.6) | 49 (90.7) | 30 (73.2) | 14 (60.9) | 77 (72.0) |
| N2 | 55 (24.4) | 5 (9.3) | 11 (26.8) | 9 (39.1) | 30 (28.0) |
| Ulcer | |||||
| Absent | 1431 (89.7) | 660 (91.3) | 155 (85.6) | 181 (89.2) | 435 (89.0) |
| Present | 165 (10.3) | 63 (8.7) | 26 (14.4) | 22 (10.8) | 54 (11.0) |
PD pure differentiated cancer, Poorly D poorly differentiated cancer, SRC signet ring cell cancer, Mixed mixed gastric cancer