Outcomes for UACs
| UAC | Weight | Measurement | p Value |
|---|---|---|---|
| Successfully inserted | 32/46 (70) | 30/41 (73) | 0.915 |
| Secured at estimated depth | 29/32 (91) | 28/30 (93) | 1.0 |
| Secured at more than estimated depth | 2/32 (6) | 2/30 (7) | 1.0 |
| Secured at less than estimated depth | 1/32 (3) | 0/30 (0) | 1.0 |
| Primary outcome—tip T6–T10 | 29/32 (91) | 15/30 (50) | 0.001 |
| Tip above T6 | 3/32 (9) | 0/30 (0) | 0.238 |
| Tip below T10 | 0/32 (0) | 15/30 (50) | 0.000 |
Data are n (%) compared with Fisher's exact test.
UAC, umbilical arterial catheter.