Table 7 Histopathological factors affecting endoscopic ultrasonography (EUS) N staging
From: Low accuracy of endoscopic ultrasonography for detailed T staging in gastric cancer
Variables | n | Incorrect staging, n (%) | P | Odds ratio (95% CI) | P |
|---|---|---|---|---|---|
Total | 309 | 90 (29.1) | |||
Tumor size, mm | |||||
< 20 mm | 80 | 4 (5.0) | < 0.001 | 4.389 (1.447to13.307) | < 0.01 |
2 to 50 mm | 141 | 38 (27.0) | 8.170 (2.468to27.050) | 0.001 | |
≥ 50 mm | 88 | 48 (54.5) | |||
Tumor location I | |||||
Upper | 18 | 9 (50.0) | 0.13 | ||
Middle | 137 | 38 (27.7) | |||
Lower | 154 | 43 (27.9) | |||
Tumor location II | |||||
Wall | 162 | 38 (23.5) | < 0.001 | 1.00 (0.55to1.82) | 0.10 |
Curvature | 131 | 39 (29.8) | 4.38 (1.02to18.83) | 0.05 | |
Circumferential | 16 | 13 (81.3) | |||
Histological type | |||||
Differentiated | 147 | 41 (27.9) | 0.65 | ||
Undifferentiated | 162 | 49 (30.2) | |||
Ulceration | |||||
Yes | 227 | 63 (27.8) | 0.38 | ||
No | 82 | 27 (32.9) | |||
Lauren | |||||
Intestinal type | 142 | 38 (26.8) | 0.23 | ||
Mixed type | 60 | 23 (38.3) | |||
Diffuse type | 107 | 29 (27.1) | |||
Tumor depth | |||||
Mucosa | 107 | 8 (7.5) | 3.32 (1.35to8.20) | < 0.01 | |
Sub-mucosa | 85 | 22 (25.9) | 6.92 (2.52to19.03) | < 0.001 | |
Muscular propria | 36 | 16 (44.4) | 4.52 (1.57to12.10) | < 0.01 | |
Sub-serosa | 34 | 15 (44.1) | 6.49 (2.28to18.51) | < 0.001 | |
Serosa-exposed | 47 | 29 (61.7) | < 0.001 |