Table 2. Clinical characteristics of the MRGCs after PG that were eligible for ER and not eligible (n=32).
| Variables | Non-ER group (n=12) | ER group (n=20) | P-values | Multivariate analysis | ||
|---|---|---|---|---|---|---|
| OR (95% CI) | P-values | |||||
| Tumor location | 0.006* | 27.88 (1.958–396.9) | 0.014 | |||
| Pseudo-fornix | 6 | 1 | ||||
| Corpus | 4 | 5 | ||||
| Antrum | 2 | 14 | ||||
| Cross-sectional circumference | 0.703† | 0.531 (0.058–4.844) | 0.575 | |||
| Posterior wall | 5 | 8 | ||||
| Lesser curvature | 4 | 5 | ||||
| Anterior wall | 2 | 4 | ||||
| Greater curvature | 1 | 3 | ||||
| Sex | 0.619 | 0.353 (0.026–4.733) | 0.432 | |||
| Male | 10 | 18 | ||||
| Female | 2 | 2 | ||||
| Age of MRGC (yr, median (range)) | 69 (45–79) | 72 (62–86) | 0.058 | 0.691 (0.108–4.365) | 0.691 | |
| <65 | 4 | 5 | ||||
| ≥65 | 8 | 15 | ||||
| Reconstruction methods | 1 | |||||
| JI | 12 | 19 | ||||
| EG | 0 | 1 | ||||
| Interval time (mo, median (range)) | 72 (24–111) | 60 (11–132) | 0.642 | 2.103 (0.331–13.35) | 0.431 | |
| <60 | 5 | 9 | ||||
| ≥60 | 7 | 11 | ||||
Italicized P-values indicate statistically significant results (<0.05).
MRGC = metachronous remnant gastric cancer; PG = proximal gastrectomy; ER = endoscopic resection; OR = odds ratio; CI = confidence interval; JI = jejunal interposition; EG = esophagogastrostomy.
*Pseudo-fornix vs. corpus and antrum, †Posterior wall vs. anterior wall, lesser curvature, and greater curvature.