Patient demographics
| Characteristic | No (%) |
| No of patients | 17 |
| Women | 11 (65) |
| Men | 6 (35) |
| Age (years) (mean (range)) | 69.4 (36–90) |
| Mean duration of symptoms (months) | 83 |
| Patients with prior surgeries* | 4 (24) |
| Laterality | |
| Left | 8 |
| Right | 9 |
| Distribution | |
| V1 | 1 (5.9) |
| V2 | 2 (11.8) |
| V3 | 6 (35.3) |
| V1 + V2 | 2 (11.8) |
| V2 + V3 | 5 (29/4) |
| V1 + V2 + V3 | 1 (5.9) |
↵* Microvascular decompression, glycerol injection, balloon compression, radiofrequency ablation, radiosurgery or cranioplasty.