TABLE 1.
Patient characteristics.
| sTG (n = 42) | PG (n = 68) | p‐value | ||
|---|---|---|---|---|
| Age (years) | Median (IQR) | 68.5 (63.3–76.8) | 70.5 (60.8–75) | 0.798 |
| Sex | Male/Female | 33/9 | 60/8 | 0.186 |
| BMI (kg/m2) | Median (IQR) | 22.8 (20.3–24.7) | 23.2 ± 3.0 | 0.358 |
| Clinical tumor depth | 1a | 8 (19.0%) | 13 (19.1%) | 0.954 |
| 1b | 34 (81.0%) | 55 (80.9%) | ||
| Tumor size (mm) | Median (IQR) | 28 (20–36) | 28 (19–40) | 0.938 |
| Circumference | Less | 16 (38.1%) | 28 (41.1%) | 0.893 |
| Ant | 5 (11.9%) | 7 (10.3%) | ||
| Post | 12 (28.6%) | 22 (32.3%) | ||
| Gre | 9 (21.4%) | 10 (14.7%) | ||
| Circ | 0 (0%) | 1 (1.5%) | ||
| ESD before surgery | 18 (42.8%) | 34 (50.0%) | 0.856 | |
| Multiple lesions | 7 (16.7%) | 3 (4.4%) | 0.041 | |
| Histological type | Intestinal | 16 (38.1%) | 21 (30.9%) | 0.139 |
| Diffuse | 14 (33.3%) | 13 (19.1%) | ||
| Mixed | 11 (26.2%) | 29 (42.6%) | ||
| Indeterminate | 1 (2.4%) | 5 (7.4%) | ||
| Preoperative Hb (g/dL) | Median (IQR) | 13.8 (12.5–15.0) | 13.8 (12.6–14.5) | 0.794 |
| Preoperative Alb (g/dL) | Median (IQR) | 4.2 (3.9–4.4) | 4.3 (4.0–4.5) | 0.134 |
| Preoperative PNI | Median (IQR) | 50.4 (46.7–52.6) | 51.6 (47.3–54.5) | 0.272 |
| Oral margin (mm) | Median (IQR) | 10 (8–22.5) | 17 (8.8–28.5) | 0.139 |
| Pathological T | 1a | 10 (23.8%) | 9 (13.2%) | 0.153 |
| 1b | 26 (61.9%) | 54 (79.4%) | ||
| 2 | 4 (9.5%) | 3 (4.4%) | ||
| 3 | 1 (2.4%) | 2 (2.9%) | ||
| Pathological stage (AJCC 8th) | IA | 33 (78.6%) | 58 (85.3%) | 0.291 |
| IB | 5 (11.9%) | 8 (11.8%) | ||
| IIA | 1 (2.4%) | 2 (2.9%) | ||
| IIB | 2 (4.7%) | 0 (0%) | ||
| III | 1 (2.4%) | 0 (0%) |
Abbreviations: AJCC, American Joint Commission on Cancer; Alb, albumin; BMI, body mass index; ESD, endoscopic submucosal resection; Hb; hemoglobin; IQR, interquartile range; PG, proximal gastrectomy; PNI, prognostic nutritional index; sTG, subtotal gastrectomy.