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Population data
| Paravertebral Block (n=92) | No Paravertebral Block (n=90) | |
|---|---|---|
| Age (yr) | 51 ± 12 | 54 ± 12 |
| Unilateral mastectomy | 66 (72%) | 52 (58%) |
| Bilateral mastectomy | 26 (28%) | 38 (42%) |
Values are reported as mean (SD) or number of subjects (percentage of group), as indicated
