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Characteristics of the study population (n = 20).
| Demographic characteristics | |
| Male sex (%) | 7 (35) |
| Age in years (SD) | 65.20 (15.28) |
| Clinical characteristics | |
| Weight in kg (SD) | 73.75 (16.48) |
| Location of neuralgia (%) | |
| 1st trigeminal branch | 2 (10) |
| 2nd trigeminal branch | 2 (10) |
| 3rd trigeminal branch | 16 (80) |
| DN4 score at baseline (SD) | 6.25 (0.63) |
DN4: Douleur Neuropathique 4 Questionnaire; SD: standard deviation.
