Table 3.
Meta-regression analysis of the outcomes of endoscopic resection according to the histologic type of early esophageal cancer (the random effects model was used)
| Outcome | Histologic type | Log-odds ratio | SE | 95.0% lower confidence limit | 95.0% upper confidence limit | Odds | Favors |
| Patients submitted to surgery | ADC | -2.1206 | 0.6249 | -3.3454 | -0.8958 | 12% | ADC |
| SCC | 4.1356 | 0.4038 | -4.9271 | -3.3440 | 37% | P < 0.05 | |
| Positive margins | ADC | -2.3761 | 1.0181 | -4.3716 | -0.3806 | 9% | None |
| SCC | -2.5689 | 0.6973 | -3.9357 | -1.2022 | 7% | ||
| Local recurrence | ADC | -4.8189 | 0.1469 | -5.1068 | -4.5309 | 0.80% | None |
| SCC | -4.3347 | 0.2792 | -4.8819 | -3.7874 | 1% | ||
| Lymph node metastasis | ADC | -3.0565 | 0.7714 | -4.5685 | -1.5445 | 5% | None |
| SCC | -4.7682 | 0.4413 | -5.6332 | -3.9032 | 0.90% | ||
| Metachronous cancer | ADC | -2.8017 | 0.2384 | -3.2690 | -2.3344 | 6% | None |
| SCC | -4.6030 | 0.6059 | -5.7905 | -3.4155 | 1% | ||
| Pre- vs post-endoscopic tumor stage | ADC | -0.5449 | 0.4316 | -1.3909 | 0.3011 | 53% | - |
| SCC | -0.8267 | 0.3324 | -1.4782 | -0.1752 | 39% |
SCC: Squamous cell carcinoma; ADC: Adenocarcinoma.