Table 2 Clinicopathological characteristics of patients with mucosal and submucosal early gastric cancer
From: Safety of expanded criteria for endoscopic resection of early gastric cancer in a Western cohort
|  | Mucosal tumor invasion (n = 99) | Submucosal tumor invasion (n = 119) | p value |
|---|---|---|---|
Age (mean ± SD) | 63.5 ± 12.9 | 67.3 ± 11.6 | 0.024 |
Gender | |||
 Male | 44 (44.4%) | 73 (61.3%) | 0.014 |
 Female | 55 (55.6%) | 46 (38.7%) | |
Histology | |||
 Differentiated | 53 (53.5%) | 61 (51.3%) | 0.786 |
 Undifferentiated | 46 (46.5%) | 58 (48.7%) | |
Lauren classification | |||
 Intestinal | 54 (58.7%) | 69 (60.5%) | 0.902 |
 Mix | 8 (8.7%) | 11 (9.6%) | |
 Diffuse | 30 (32.6%) | 34 (29.8%) | |
Lymphanodectomy | |||
 D1 | 11 (11.1%) | 12 (10.1%) | 0.828 |
 D2 | 88 (89.9%) | 107 (89.9%) | |
No. of retrieved lymph nodes (mean ± SD) | 19.4 ± 8.3 | 20.3 ± 10.7 | 0.454 |
Lymph node metastasis | |||
 LNM+ | 5 (5.1%) | 38 (31.9%) | 0.001 |
 LNM- | 94 (94.9%) | 81 (68.1%) | |
Ulceration | |||
 UL+ | 30 (30.3%) | 48 (40.3%) | 0.156 |
 UL- | 69 (69.7%) | 71 (59.7%) | |
Lymphovascular invasion | |||
 LV+ | 3 (3.0%) | 28 (23.5%) | 0.001 |
 LV- | 96 (97.0%) | 97 (76.5%) | |
Tumor size | |||
  < 2 cm | 55 (55.6%) | 42 (35.3%) | 0.009 |
 2–3 cm | 25 (25.2%) | 40 (33.6%) | |
  > 3 cm | 19 (19.2%) | 37 (31.1%) | |