Table 1.
Demographics and pathologic characteristics of enrolled patients.
| Variables | Normal | Ulcer | Adenoma | Cancer |
|---|---|---|---|---|
| N = 21 | N = 18 | N = 17 | N = 20 | |
| Gender, N (%) | ||||
| Male | 15 (71.4) | 13 (72.2) | 12 (70.6) | 14 (70.0) |
| Female | 6 (28.6) | 5 (27.8) | 5 (29.4) | 6 (30.0) |
| Age, years | ||||
| Mean ± SD | 66.3 ± 10.8 | 65.4 ± 13.4 | 63.1 ± 10.2 | 65.7 ± 10.6 |
| BMI, kg/m2, mean ± SD | 22.9 ± 2.6 | 23.7 ± 2.1 | 24.9 ± 2.3 | 23.1 ± 2.6 |
| lesion size, mm, mean ± SD | 20.8 ± 5.8 | 18.9 ± 5.4 | 45.6 ± 20.3 | |
| Lesion location, N (%) | ||||
| Upper 1/3 | 1 (5.6) | 0 (0) | 2 (10.0) | |
| Middle 1/3 | 4 (22.2) | 9 (52.9) | 8 (40.0) | |
| Lower 1/3 | 13 (72.2) | 8 (47.1) | 10 (50.0) | |
| Morphology, N (%) | ||||
| Early gastric cancer | 5 (25.0) | |||
| AGC Bormann type I | 1 (5.0) | |||
| AGC Bormann type II | 8 (40.0) | |||
| AGC Bormann type III | 6 (30.0) | |||
| AGC Bormann type IV | 0 (0) | |||
| Histology, N (%) | ||||
| Differentiated | 8 (40.0) | |||
| Undifferentiated | 12 (60.0) | |||
| Low-grade adenoma | 14 (82.4) | |||
| High-grade adenoma | 3 (17.6) | |||
| Depth of tumor invasion, N (%) | ||||
| pT1 | 5 (25.0) | |||
| pT2 | 3 (15.0) | |||
| pT3 | 7 (35.0) | |||
| pT4 | 5 (25.0) | |||
| AJCC/UICC stage, N (%) | ||||
| I | 6 (30.0) | |||
| II | 8 (40.0) | |||
| III | 6 (30.0) | |||
| IV | 0 (0) | |||
| Treatment, N (%) | ||||
| Subtotal gastrectomy | 13 (65.0) | |||
| Total gastrectomy | 4 (20.0) | |||
| Endoscopic submucosal dissection | 17 (100.0) | 3 (15.0) |
Tumor stage according to the American Joint Committee on Cancer, 7th Edition.
AGC, Advanced gastric cancer; AJCC, American Joint Committee on Cancer; BMI, body mass index; SD, standard deviation; UICC, Union for International Cancer Control.