Table 2.
Dose of propofol and BIS value at different depth of sedation
| Patient number | Ramsay 4 | Ramsay 3 | Ramsay 2 | |||
|---|---|---|---|---|---|---|
| Propofol dose (mg/h) | BIS value | Propofol dose (mg/h) | BIS value | Propofol dose (mg/h) | BIS value | |
| 1 | 60 | 73 | 40 | 85 | 20 | 93 |
| 2 | 40 | 78 | 20 | 83 | 10 | 92 |
| 3 | 50 | 74 | 30 | 86 | 10 | 90 |
| 4 | 40 | 57 | 15 | 85 | 5 | 94 |
| 5 | 50 | 78 | 30 | 86 | 20 | 90 |
| 6 | 50 | 77 | 30 | 86 | 10 | 93 |
| 7 | 60 | 63 | 25 | 85 | 10 | 90 |
| 8 | 30 | 52 | 15 | 83 | 5 | 93 |
| Mean ± SD | 47.5 ± 10.4 | 69.0 ± 10.3 | 25.6 ± 8.6* | 84.9 ± 1.2* | 11.3 ± 5.8*,† | 91.9 ± 1.6*,† |
*P<0.05 compared with Ramsay 4; †P<0.05 compared with Ramsay 3. BIS: Bispectral index; SD: Standard deviation.