Saving the On-Scene Time for Out-of-Hospital Cardiac Arrest Patients: The Registered Nurses’ Role and Performance in Emergency Medical Service Teams

Table 1

The case numbers and the on-scene time of the six-categorized EMS cases in 2T and 2T1N teams.

EMS case	Case number (person)		On-scene time (min)
	2T	2T1N	2T	2T1N
NT-O	14	15	8.36 ± 1.65	6.60 ± 2.03	.016
NT-C	66	89	6.41 ± 2.78	6.20 ± 2.72	.650
NT-NC	114	142	5.28 ± 3.38	5.28 ± 2.71	.980
T-CS	25	32	9.00 ± 2.16	7.34 ± 2.94	.017
T-F	27	38	8.04 ± 4.72	6.95 ± 2.79	.290
T-G	305	380	4.62 ± 2.69	4.46 ± 2.25	.390

The EMS cases have been collected from the ChangHua Fire Bureau in Taiwan for the period of August 2010 to January 2011.
The on-scene time is presented as mean ± standard deviation in minute (min), and value is obtained by paired -test.
2T denotes an EMS team containing 2 emergency medical technicians, while 2T1N denotes 2 emergency medical technicians and 1 nurse in an EMS team.
The nontrauma cases were subcategorized into out-of-hospital cardiac arrest (OHCA) (NT-O), critical (NT-C), and noncritical (NT-NC) cases, while the trauma cases were subcategorized into collar and spinal board fixation (T-CS), fracture fixation (T-F), and general trauma (T-G) cases.