Table 2. Analysis and comparison of primary outcomes between control and experimental groups, Curitiba, Paraná, Brazil, 2023.
| Variable | Control Group (n=56) |
Experimental Group (n=55) |
p * | ||
|---|---|---|---|---|---|
| n (%) | Median (95%CI) |
n (%) | Median (95%CI) |
||
| Success | 0.705 1 | ||||
| Yes | 26 (48.1) | 28 (51.9) | |||
| No | 30 (51.7) | 28 (48.3) | |||
| Immediate complications | 0.347 1 | ||||
| No | 34 (46.6) | 39 (53.4) | |||
| Bleeding | 13 (52.0) | 12 (48.0) | |||
| Hematoma | 9 (69.2) | 4 (30.8) | |||
| Inadvertent arterial puncture | 0 (0.0) | 1 (100.0) | |||
| Pain scale | 7 (6-12) | 7 (5-11) | 0.611 2 | ||
| Difficulty with hemostasis (dressing up to 48 hours) | 0.670 1 | ||||
| Compression dressing | 7 (12.5) | 7 (12.7) | |||
| Absence of bleeding | 27 (48.2) | 30 (54.5) | |||
| Others ** | 22 (39.3) | 18 (32.7) | |||
| Procedure time (minutes) | 25 (20-30) | 27 (20-35) | 0.316 2 | ||
| Number of attempts | 5 (3-6) | 4 (3-6) | 0.986 2 | ||
n - number of participants;
*
p - <0.05;
**
Others - catheter fracture/catheter removed soon after insertion due to aberrant trajectory/catheter removed due to obstruction < 24 hours after insertion; p value -
1
Pearson’s chi-square,
2
Kruskal-Wallis.