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| Minor Complications | |
| A. | No therapy, no consequence |
| B. | Nominal therapy, no consequence; includes overnight admission for observation only. |
| Major Complications | |
| C. | Require therapy, minor hospitalization (<48 hours) |
| D. | Require major therapy, unplanned increase in level of care, prolonged hospitalization (>48 hours) |
| E. | Permanent adverse squelae |
| F. | Death |
