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Univariate analysis of possible outcome predictors for injection effectiveness after treatment
| Characteristics | Effective (N = 24) | Not effective (N = 4) | P-value |
|---|---|---|---|
| Age (years) | 0.353 | ||
| <65 | 11 (84.6%) | 2 (15.4%) | |
| >65 | 9 (90.0%) | 1 (10.0%) | |
| Gender | 0.636 | ||
| Male | 9 (75.0%) | 3 (25.0%) | |
| Female | 15 (93.8%) | 1 (6.25%) | |
| Pain duration | 1.00 | ||
| ≤6 months | 6 (100%) | 0 (0%) | |
| >6 months | 18 (81.8%) | 4 (18.2%) | |
| Number of treatments | 0.044 | ||
| ≤5 | 11 (73.3%) | 4 (16.0%) | |
| >5 | 13 (100%) | 0 (0%) |
