Table 1.
Demographics and clinical characteristics of included patients with trigeminal neuralgia (n = 115)
| N (%) | 95% CI | |
|---|---|---|
| Demographics | ||
| Male | 53 (46) | 37–56 |
| Female | 62 (54) | 44–63 |
| Age at TN onset, mean, years | 55.4 | 53.0–57.8 |
| Age at operation, years | 62.0 | 59.6–64.4 |
| Above 70 years of age at operation | 44 (38) | 29–47 |
| Duration of TN at time of operation, mean and range, years | 7.1 | 0–40 |
| Long duration (> 2 years) of TN at time of surgery | 96 (83) | 75–90 |
| Clinical characteristics | ||
| Right-sided pain | 67 (58) | 49–67 |
| Left-sided pain | 48 (42) | 33–51 |
| Bilateral pain | 0 | – |
| Concomitant continuous paina | 61 (54) | 44–63 |
| Classical TN | 70 (61) | 51–70 |
| Idiopathic TN | 45 (39) | 30–49 |
| Periods of remission | 60 (55) | 45–64 |
| V1 | 5 (4) | 1–10 |
| V2 | 16 (14) | 10–24 |
| V3 | 26 (23) | 16–32 |
| V1 + V2 | 13 (11) | 6–19 |
| V2 + V3 | 39 (34) | 26–44 |
| V1 + V2 + V3 | 16 (14) | 8–22 |
| Sensory abnormalities at neurological examinationa | 45 (40) | 31–49 |
| History of ablative neurosurgical procedures | 1 (1) | 0–5 |
| Response to sodium channel blockers | 101 (88) | 80–93 |
Values represent numbers of patients (%) unless otherwise indicated. CI confidence interval, TN trigeminal neuralgia
aOnly patients without a history of previous trigeminal neuralgia surgery were included in the analyses (n = 114)