Table 1.
Demographics of the participants.
| Characteristics | Antihistamine group (N = 14) | Pregabalin group (N = 10) | Refractory group (N = 3) | Healthy control group (N = 20) | p-value |
|---|---|---|---|---|---|
|
Sex (Male), No. (%) |
9 (64.3%) | 7 (70.0%) | 3 (100%) | 8 (20.0%) | 0.15 |
|
Age (years), [95% CI] |
62.0 [58.0–66.0] | 62.9 [55.1–70.7] | 69.7 [39.6–99.7] | 43.9 [35.2–52.5] | 0.0003 |
|
Initial VAS [95% CI] |
7.1 [5.9–8.3] | 5.9 [3.9–7.9] | 4.3 [−1.4 to 10.1] | NA | |
| Duration (months) [95% CI] | 62.5 [8.1–117] | 46.8 [−3.4 to 97.1] | 16.2 [−26.7 to 59.1] | NA |
NA, Not applicable.