Table 3.
Cox regression analysis of factors affecting recurrence of TC pain after trigger point injection
| Variable | Hazard ratio | 95% confidence interval | p-value |
|---|---|---|---|
| Age, years | 1.43 | 0.37–5.58 | 0.6 |
| Gender | |||
| Male | 1 | ||
| Female | 1.02 | 0.43–3.52 | 0.6 |
| Prior surgery | |||
| No | 1 | ||
| Yes | 0.90 | 0.21–3.32 | 0.5 |
| Prior treatments | |||
| No | 1 | ||
| Yes | 1.99 | −2.47 to 6.44 | 0.8 |
| Concomitant systemic diseases | |||
| No | 1 | ||
| Yes | 0.64 | 0.05–8.37 | 0.9 |
| Concomitant ocular diseases | |||
| No | 1 | ||
| Yes | 0.76 | 0.06–7.1 | 0.9 |
| Ocular pain laterality | |||
| Unilateral | 1 | ||
| Bilateral | 0.26 | 0.016–4.29 | 0.7 |
| Pain characteristics | |||
| Deep | 1.12 | 0.75–3.19 | 0.9 |
| Others | 0.99 | 0.68–2.41 | 0.9 |
Abbreviation: TC trigeminal–cervical.