Table 2.
Trigeminal neuropathic pain subjects characteristics
| Subject | Age (years) | Gender | Pain duration (years) | Site | TNP subcategory | Mean pain intensity week before scanning (10 cm VAS) | Pain intensity before scan (10 cm VAS) | Analgesic medication |
|---|---|---|---|---|---|---|---|---|
| 174 | 73 | F | 35 | Right | Neuralgia | 3.9 | 4 | None |
| 178 | 51 | M | 3.5 | Right | Neuropathy | 2.1 | 5.5 | Amitriptyline hydrochloride |
| 179 | 48 | F | 9 | Bilateral | Neuropathy | 2.5 | 2.5 | Gabapentin |
| 181 | 42 | F | 2 | Right | Neuropathy | 5.5 | 1.3 | Neurontin |
| 182 | 64 | F | 11 | Right | Neuropathy | 5 | 5 | Gabapentin |
| 194 | 52 | F | 3.5 | Right | Neuropathy | 4.5 | 0 | None |
| 229 | 47 | F | 5 | Left | Neuropathy | 1.1 | 1.9 | None |
| 252 | 67 | F | 20 | Left | Neuralgia | 2.8 | 3.0 | Baclofen |
| 257 | 50 | M | 6 | Left | Neuralgia | 2.3 | 0 | Pregabalin |
| 260 | 60 | F | 6 | Bilateral | Neuralgia | 3.2 | 2.4 | Celecoxib, paracetamol |
| 261 | 53 | F | 2.5 | Right | Neuropathy | 1.5 | 1.1 | None |
| 262 | 52 | F | 1.5 | Bilateral | Neuropathy | 6.9 | 6.1 | Gabapentin, oxycodone, and paracetamol |
| 264 | 55 | F | 2 | Left | Neuropathy | 5.2 | 6.7 | Amitriptyline hydrochloride, gabapentin, oxycodone hydrochloride, and paracetamol |
| 265 | 75 | F | 35 | Right | Neuralgia | 0.5 | 0.3 | Gabapentin and carbamazepine |
| 266 | 46 | M | 9 | Bilateral | Neuropathy | 3.1 | 1.8 | None |
| 269 | 62 | F | 7 | Right | Neuralgia | 4.8 | 6.3 | None |
| 276 | 46 | F | 3 | Bilateral | Neuropathy | 6.5 | 5.2 | Diazepam, paracetamol, and ibuprofin (PRN) |
| 280 | 42 | F | 11 | Bilateral | Neuropathy | 4.8 | 4.0 | Carbamazepine and paracetamol |
| 291 | 56 | M | 2 | Left | Neuralgia | 0.9 | 0.4 | Carbamazepine |
| 340 | 48 | F | 1.3 | Bilateral | Neuropathy | 2.6 | 3.2 | Gabapentin |
| 341 | 61 | F | 2.5 | Right | Neuralgia | 3.1 | 2.8 | None |
| Mean ± SEM | 55 ± 2.1 | 8.5 ± 2.1 | 3.5 ± 0.4 | 3.4 ± 0.5 |
All trigeminal neuralgia patients and trigeminal neuropathy patients fulfilled the criteria for trigeminal neuropathic pain according to the Liverpool criteria (Nurmikko and Eldridge, 2001). PRN, Pro re nata (“as needed”); F, female; M, male.