Table 1.
Patient characteristics
| Patient no. | TN classification | Age | Gender | Recurrence time (months) | Side | Previous interventions | No. of treatments | Preoperative VAS | Postoperative VAS | 6-month follow-up | Preoperative skin temperature | Pre-von Frey | Post-von Frey |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Primary | 21 | F | 12 | Left | TENS | 6 | 7 | 2 | 2 | N | 0.008 | 0.008 |
| 2 | Primary | 58 | M | 24 | Right | TENS | 7 | 7 | 3 | 3 | N | 0.008 | 0.008 |
| 3 | Primary | 38 | M | 48 | Right | MVD | 4 | 7 | 2 | 7 | N | 0.008 | 0.008 |
| 4 | Primary | 57 | M | 36 | Right | Gabapentin | 16 | 7 | 2 | 2 | N | 1 | 1 |
| 5 | Primary | 50 | F | 10 | Bilateral | Acupuncture therapy; tooth extraction | 6 | 8 | 3 | 3 | N | 0.008 | 0.008 |
| 6 | Primary | 74 | F | 24 | Left | Gamma knife treatment | 5 | 8 | 2 | 3 | N | 0.008 | 0.008 |
| 7 | Primary | 48 | F | 60 | Right | None | 4 | 6 | 3 | 3 | N | 0.008 | 0.008 |
| 8 | Primary | 60 | F | 108 | Left | Acupuncture therapy; carbamazepine; V2, V3 nerve blocks (alcohol) | 6 | 8 | 3 | 8 | N | 0.2 | 0.2 |
| 9 | Primary | 52 | M | 1 | Right | None | 5 | 9 | 3 | N/A | N | 0.008 | 0.008 |
| 10 | Primary | 54 | F | 480 | Right | MVD | 1 | 6 | 6 | 6 | N | 0.008 | 0.008 |
| 11 | Primary | 80 | M | 420 | Right | V2 nerve alcohol neurolysis | 6 | 6 | 2 | 2 | N | 0.008 | 0.008 |
| 12 | Primary | 50 | F | 12 | Right | None | 8 | 6 | 2 | 2 | N | 0.008 | 0.008 |
| 13 | Primary | 50 | M | 60 | Right | None | 5 | 7 | 7 | N/A | N | 0.008 | 0.008 |
| 14 | Primary | 74 | M | 84 | Right | TENS | 1 | 6 | 2 | 2 | N | 0.008 | 0.008 |
| 15 | Primary | 62 | F | 6 | Right | Pregabalin; TENS | 9 | 5 | 2 | 2 | N | 0.008 | 0.008 |
| 16 | Primary | 66 | F | 12 | Right | None | 5 | 6 | 3 | N/A | N | 0.008 | 0.008 |
| 17 | Secondary | 74 | F | 1.5 | Right | TENS | 13 | 8 | 3 | 2 | N | 0.4 | 0.008 |
| 18 | Secondary | 64 | F | 0.5 | Left | TENS | 3 | 9 | 1 | N/A | N | 0.4 | 0.008 |
| 19 | Secondary | 51 | M | 2 | Left | None | 9 | 5 | 2 | 2 | N | 0.008 | 0.008 |
| 20 | Secondary | 81 | F | 72 | Right | Pregabalin | 7 | 9 | 2 | 2 | N | 0.8 | 0.008 |
| 21 | Secondary | 75 | F | 4 | Right | None | 1 | 5 | 3 | N/A | N | 0.008 | 0.008 |
| 22 | Secondary | 67 | F | 12 | Right | Carbamazepine; gabapentin | 3 | 8 | 3 | 3 | N | 0.008 | 0.008 |
| 23 | Secondary | 70 | M | 24 | Left | Acupuncture therapy; carbamazepine | 5 | 5 | 5 | 6 | N | 1 | 0.008 |
| 24 | Secondary | 38 | M | 1 | Left | None | 3 | 5 | N/A | N/A | N/A | N/A | N/A |
| 25 | Primary | 66 | F | 10 | Left | Carbamazepine | 5 | 8 | 1 | 1 | N | 0.008 | 0.008 |
| 26 | Primary | 75 | F | 36 | Right | Carbamazepine; gabapentin | 7 | 8 | 1 | 1 | N | 0.008 | 0.008 |
| 27 | Primary | 69 | M | 204 | Right | Carbamazepine; gabapentin; TENS; radiofrequency thermocoagulation | 4 | 8 | 2 | 2 | N | 0.07 | 0.008 |
| 28 | Primary | 62 | M | 1 | Left | Carbamazepine; acupuncture therapy | 9 | 8 | 2 | 2 | N | 0.008 | 0.008 |
| 29 | Primary | 60 | F | 132 | Right | Carbamazepine | 5 | 8 | 8 | 7 | N | 0.008 | 0.008 |
Abbreviations: F, female ; M, male; MVD, microvascular decompression; N, normal; N/A, not available; TN, trigeminal neuralgia; VAS, visual analog scale.