Table 2 Comparison of puncture time, intraoperative bleeding, and puncture success of the first attempt between two groups
Parameter | Puncture time (min) | Blood loss (mL) | Successful puncture rate in the first attempt (%) |
|---|---|---|---|
Experimental group | 7.78 ± 0.94 | 49.31 ± 6.43 | 100.00 (10) |
Control group | 9.04 ± 1.09 | 60.08 ± 12.18 | 75.00 (9) |
T | 2.913 | 2.652 | |
P | 0.010 | 0.017 | 0.221* |