Table 3.
Results of the anesthetic block according to the level of fusion
| N =40 | Positive blocks | Negative blocks |
|---|---|---|
| L5–S1 fused (26) | 11 (42%) | 15 (58%) |
| L5–S1 not fused (14) | 3 (21.5%) | 11 (78.5%) |
Fischer’s test: 0.30
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