Table 2. Main outcomes extracted from the studies included in our meta-analysis.
| Author | Comparisons | Number | 5-year OSa |
|---|---|---|---|
| Morgan 2008 | Patients with esophageal stenosis | 12 | 3/9 |
| Patients without | 399 | 96/303 | |
| Clavier 2014 | Patients with esophageal stenosis | 40 | 7/33 |
| Patients without | 103 | 23/80 | |
| Cho 2017 | Patients with esophageal stenosis | 26 | 8/18 |
| Patients without | 63 | 31/32 | |
| Yang 2017 | Patients with esophageal stenosis | 139 | 39/100 |
| Patients without | 369 | 166/203 | |
| Okuno 2017 | Patients with esophageal stenosis | 61 | 5/56 |
| Patients without | 70 | 15/55 |
a, expressed as no. alive/no. dead. OS, overall survival.