Table 3: Mechanical compression device application timing for 184 arrests where application time of device could be determined.

Time from start of impedance signal to first mechanical compression (min:sec)

 

Mean (SD)

4:07 (2:26)

Median (IQR)

4:02 (2:10-5:25)

Compression interruption for application of mechanical devicea (sec)

 

Mean (SD)

34 (27)

Median (IQR)

26 (17-44)

 

aSee Methods. Includes only main application and activation and not placement of back plate when the steps are performed separately