Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Comparison of primary and secondary outcomes measures between ALT and USG groups
| Characteristic | Overall (n = 110) | ALT Group (n = 55) | USG Group (n = 55) | P Valuea |
|---|---|---|---|---|
| Success rate (%) | 98 (89.1%) | 44 (80%) | 54 (98.2%) | 0.002 |
| Successful first attempt (%) | 77 (70%) | 30 (54.5%) | 47 (85.5%) | 0.000 |
| Number of attempts (mean ± SD) | 1.34 ± 0.55 | 1.51 ± 0.6 | 1.16 ± 0.42 | 0.001 |
| Complications (%) | 13 (11.8%) | 10 (18.2%) | 3 (5.5%) | 0.039 |
P < 0.05 is considered statistically significant.
