Table 4.
Characteristics of trigeminal NVCs by symptomatic and asymptomatic nerves in SUNA patients
|
Symptomatic nerve
(n = 82) n (%) |
Asymptomatic nerve
(n = 76) n (%) |
OR (95% CI) * | P-value * | |
|---|---|---|---|---|
| Any contact | ||||
| Yes | 61 (74.4) | 33 (43.4) | 3.79 (1.93–7.41) | <0.0001 |
| No | 21 (25.6) | 43 (56.6) | Reference | |
| Degree of contact | ||||
| Contact | 26 (42.6) | 25 (75.8) | 1.28 (0.67–2.42) | 0.454 |
| Distortion | 14 (23.0) | 4 (12.1) | 5.72 (2.43–13.46) | <0.0001 |
| Atrophy | 0 | 0 | 5.90 (1.65–21.16) | 0.006 |
| Mixeda | 21 (34.4) | 4 (12.1) | 6.20 (2.02–19.04) | 0.001 |
| Type of vessel | ||||
| Vein | 15 (24.6) | 11 (33.3) | 1.34 (0.66–2.72) | 0.428 |
| Artery | 37 (60.7) | 15 (45.5) | 3.14 (1.62–6.071) | 0.001 |
| Mixed | 9 (14.8) | 7 (21.2) | 1.22 (0.43–3.44) | 0.714 |
| Site of contact | ||||
| Proximal | 25 (41.0) | 15 (45.5) | 3.07 (1.55–6.08) | 0.001 |
| Middle | 8 (13.1) | 6 (18.2) | 2.42 (1.06–5.53) | 0.036 |
| Distal | 10 (16.4) | 6 (18.2) | 1.84 (0.83–4.05) | 0.132 |
| Mixed | 18 (29.5) | 6 (18.2) | 2.39 (0.97–5.88) | 0.058 |
| Point of contact | ||||
| Superior | 23 (37.7) | 14 (42.4) | 2.15 (1.11–4.187) | 0.024 |
| Medial | 12 (19.7) | 5 (15.2) | 2.51 (1.19–5.33) | 0.016 |
| Lateral | 2 (3.3) | 2 (6.1) | 1.92 (0.46–8.00) | 0.368 |
| Inferior | 6 (9.8) | 4 (12.1) | 1.69 (0.63–4.55) | 0.298 |
| Mixed | 18 (29.5) | 8 (24.2) | 2.39 (0.97–5.88) | 0.058 |
Odds ratio (OR) estimated from multilevel logistic regression with symptomatic status of the nerve as the outcome variable.
a
All mixed degrees of contact were severe contact.
*
The threshold for statistical significance based on Bonferroni adjustment is 0.003 (i.e. 0.05/17).