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Duration of Pump Implants With Normal Battery Depletion.
| Spasticity etiology | N | Mean (SD) implant duration (months) | Same day replacement |
|---|---|---|---|
| Cerebral palsy | 168 | 72.1 (7.7) | 165 (98.2%) |
| Multiple sclerosis | 120 | 71.6 (8.9) | 120 (100.0%) |
| Spinal cord injury | 50 | 70.6 (13.2) | 50 (100.0%) |
| Brain injury | 31 | 72.5 (8.6) | 30 (96.8%) |
| Stroke | 15 | 74.7 (7.8) | 15 (100.0%) |
| Other | 3 | 81.1 (2.2) | 3 (100.0%) |
| Unknown | 75 | 72.5 (12.7) | 75 (100.0%) |
| Total | 462 | 72.0 (9.7) | 458 (99.1%) |
SD = standard deviation.
