Table 3 Comparison of success rate of cannula insertion at first attempt, failure rate, localization time, and puncture time between the two groups
Parameter | ASFU-G | TU-G | Odds Ratio(95%CI) | P value |
|---|---|---|---|---|
First-attempt puncture success rate | 40 (78.43%) | 29 (58.00%) | 0.380 (0.159–0.908) | 0.027 |
First-attempt catheterization success rate | 38 (74.51%) | 26 (52.00%) | 0.371 (0.160–0.858) | 0.019 |
Ultrasound localization time (s) | 14.36 ± 3.31 | 18.02 ± 4.95 | Not applicable | < 0.001 |
Catheterization time time(s) | 10.43 ± 2.38 | 14.78 ± 8.02 | Not applicable | 0.012 |
The incidence of local hematoma | 8 (15.69%) | 12 (24.00%) | 0.589 (0.218–1.594) | 0.295 |