Skip to main content
. 2021 Apr 8;22(3):775–781. doi: 10.5811/westjem.2020.12.47862

Table 1.

Total time to complete ultrasound hypotension protocol, using handheld Butterfly vs cart-based GE devices.

Time Butterfly GE Difference 95% CI P-value
Total time 1*
 Mean, (SD) 5.55 (3.51) 9.57 (3.73) −4.02 (−5.93 – −2.12) <0.0001
 Median, (IQR) 4.28 (3.63 – 5.62) 8.52 (7.17 – 9.57) −4.23 (−5.48 – −2.98) <0.0001
Total time 2
 Mean, (SD) 5.32 (3.54) 7.13 (3.51) −1.81 (−3.67 – 0.04) 0.0556
 Median, (IQR) 4.08 (3.43 – 5.35) 5.8 (4.73 – 7.67) −1.72 (−2.78 – −0.65) <0.0001
*

Total time (minutes) includes transport and plug-in.

Total time (minutes) excludes transport and plug-in.

UHP, ultrasound hypotension protocols; CI, confidence interval; SD, standard deviation; IQR, interquartile range.