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Table 3 System factors

From: How senior paramedics decide to cease resuscitation in pulseless electrical activity out of hospital cardiac arrest: a mixed methods study

System factors

N (%)

Duration hr:min:sec

No flow time& median (IQR)

50 (100)

0:07:30 (4.46–15.25)

Duration of BLS median (IQR)

26 (52)

0:07:35 (4.58–16.01)

Duration of lone ambulance BLS median (IQR)

23 (46)

0:07:32 (5.31–15.9)

Duration of ALS# mean (SD)

50 (100)

0:54:46 (0:16:59)

Duration of resuscitation^ (BLS & ALS) mean (SD)

50 (100)

0:59:32 (0:17:39)

Total duration of out of hospital cardiac arrest mean (SD)

50 (100)

1:09:23 (0:19:53)

  1. &No flow time, time from collapse to the start of resuscitation
  2. Lone ambulance responders (community responders, advanced technicians, paramedics, duty officers) providing BLS only
  3. #ALS time of ambulance arrival to confirmation of death
  4. ^Duration of out of hospital cardiac arrest, no flow time to confirmation of death