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POSTOPERATIVE COMPLICATIONS.
| Postoperative complications | Group 1 | Group 2 | Group 3 |
|---|---|---|---|
| Permanent neurological damage | 0 | 0 | 1 |
| Horner’s syndrome | 0 | 1 | 0 |
| Hypertension | 1 | 1 | 0 |
| Stroke | 0 | 0 | 0 |
| Dysphagia/sore throat transient | 2 | 0 | 1 |
| Dysphonia | 0 | 1 | 0 |
| Postoperative bleeding | 0 | 1 | 0 |
