Table 2.
Adverse events (number of cases)
| BIS value | 56-64 (May/2004-Sep/2005) | 70-75 (Oct/2005-April/2007) | Total |
| Delayed awakening | 1 | 0 | 1 |
| Decreased blood pressure | 4 | 0 | 4 |
| Bradycardia | 6 | 0 | 6 |
| Respiratory depression | 2 | 0 | 2 |
| Total | 13 | 0 | 13 |
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