Table 2.

Trigeminal neuropathic pain subjects characteristics

SubjectAge (years)GenderPain duration (years)SiteTNP subcategoryMean pain intensity week before scanning (10 cm VAS)Pain intensity before scan (10 cm VAS)Analgesic medication
17473F35RightNeuralgia3.94None
17851M3.5RightNeuropathy2.15.5Amitriptyline hydrochloride
17948F9BilateralNeuropathy2.52.5Gabapentin
18142F2RightNeuropathy5.51.3Neurontin
18264F11RightNeuropathy55Gabapentin
19452F3.5RightNeuropathy4.50None
22947F5LeftNeuropathy1.11.9None
25267F20LeftNeuralgia2.83.0Baclofen
25750M6LeftNeuralgia2.30Pregabalin
26060F6BilateralNeuralgia3.22.4Celecoxib, paracetamol
26153F2.5RightNeuropathy1.51.1None
26252F1.5BilateralNeuropathy6.96.1Gabapentin, oxycodone, and paracetamol
26455F2LeftNeuropathy5.26.7Amitriptyline hydrochloride, gabapentin, oxycodone hydrochloride, and paracetamol
26575F35RightNeuralgia0.50.3Gabapentin and carbamazepine
26646M9BilateralNeuropathy3.11.8None
26962F7RightNeuralgia4.86.3None
27646F3BilateralNeuropathy6.55.2Diazepam, paracetamol, and ibuprofin (PRN)
28042F11BilateralNeuropathy4.84.0Carbamazepine and paracetamol
29156M2LeftNeuralgia0.90.4Carbamazepine
34048F1.3BilateralNeuropathy2.63.2Gabapentin
34161F2.5RightNeuralgia3.12.8None
Mean ± SEM55 ± 2.18.5 ± 2.13.5 ± 0.43.4 ± 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.