Item | Group C | Group M |
P
|
---|
Sex (male/female) | 45/55 | 41/59 | 0.568 |
Age (years) | 38 ± 11 | 39 ± 10 | 0.559 |
Weight (kg) | 59 ± 9 | 58 ± 8 | 0.457 |
Height (cm) | 163 ± 7 | 162 ± 7 | 0.313 |
- Note: Group C, sufentanil injected at a rate of 1 ml·s− 1 via T-connector near the venous catheter, while the same volume of normal saline was added to the mechanical dropper at a similar rate; group M, sufentanil injected into the dropper and normal saline into the T-connector at 1 ml·s− 1