Table 2 Success and failure rate in each group and EC 50 (95%CI) results
Group | Target effect-site concentration of sufentanil (ng/ml) | Logarithm of target effect-site concentration (x) | Numbers of successful (r) | Success rate (p) (%) | Failure rate (q) (%) | EC50(95%CI) (ng/ml) |
|---|---|---|---|---|---|---|
1 | 0.1900 | −0.7212 | 0 | 0 | 100 | 0.1682 (0.1641 ~ 0.1724) |
2 | 0.1809 | −0.7424 | 1 | 10 | 90 | |
3 | 0.1723 | −0.7636 | 4 | 40 | 60 | |
4 | 0.1641 | −0.7848 | 6 | 60 | 40 | |
5 | 0.1563 | −0.8060 | 9 | 90 | 10 | |
6 | 0.1489 | −0.8272 | 10 | 100 | 0 |