Table 3

Clinical Outcomes

Palpation
(n = 351)
Ultrasound
(n = 347)
p Value
Spasm12 (3)15 (4.3)0.56
Pain score, 0–100 (0–1)0 (0–1)0.67
Bleeding complication4 (1.1)5 (1.4)0.75
Crossover to ultrasound rescue attempts after >5 min10 (8 successful)NANA
Crossover to another site after sheath insertion520.45
Crossover to another site before sheath insertion/failed access730.34
Failure of sheath insertion with original technique1530.007
Any crossover in access site or technique at any time2050.004

Values are n (%), median (interquartile range), or n.

NA = not applicable.