Table 5 Histopathological factors affecting T overstaging in the subgroups
From: Low accuracy of endoscopic ultrasonography for detailed T staging in gastric cancer
Variables | EGCs | AGCs | ||||
|---|---|---|---|---|---|---|
n | Overstaging, n (%) | P | n | Overstaging, n (%) | P | |
Total | 192 | 97 (50.5) | 117 | 40 (34.2) | ||
Tumor size, mm | ||||||
< 20 | 75 | 30 (40.0) | 0.03 | |||
2to50 | 90 | 49 (54.4) | 56 | 9 (16.1)1 | < 0.001 | |
≥ 50 | 27 | 18 (66.7) | 61 | 31 (50.8) | ||
Tumor locationI | ||||||
Upper | 3 | 1 (33.3) | 0.87 | 15 | 5 (33.3) | |
Middle | 81 | 42 (51.9) | 56 | 19 (33.9) | 0.99 | |
Lower | 108 | 54 (50.0) | 46 | 16 (34.8) | ||
Tumor locationII | ||||||
Wall | 115 | 57 (49.6) | 0.88 | 47 | 13 (27.7) | |
Curvature | 75 | 39 (52.0) | 56 | 18 (32.1) | ||
Circumferential | 2 | 1 (50.0) | 14 | 9 (64.3) | 0.04 | |
Histological type | ||||||
Differentiated | 102 | 47 (46.1) | 0.19 | 45 | 19 (42.2) | 0.15 |
Undifferentiated | 90 | 50 (55.6) | 72 | 21 (29.2) | ||
Ulceration | ||||||
Yes | 139 | 68 (48.9) | 0.47 | 88 | 26 (29.5) | 0.07 |
No | 53 | 29 (54.7) | 29 | 14 (48.3) | ||
Lauren | ||||||
Intestinal type | 101 | 46 (45.5) | 0.33 | 41 | 17 (41.5) | 0.32 |
Mixed type | 31 | 18 (58.1) | 29 | 7 (24.1) | ||
Diffuse type | 60 | 33 (55.0) | 47 | 16 (34.0) | ||