Dysphagia grades for all patients. Follow up data were complete for all patients except one
| Time interval | Median | Range |
|---|---|---|
| Pretreatment | 3 | 1–4 |
| Pre-index treatment | 2 | 0–2 |
| 2 weeks post index | 1 | 0–3 |
| 4 weeks post index | 1 | 0–3 |
| 6 weeks post index | 1 | 0–4 |
| 10 weeks post index | 1 | 0–3 |