TABLE 2.

Study population breakdown

Author	Total	Nurse	Doctors	Residents	RT	Nurse practitioner	Other allied*	Not mentioned
Mahramus et al	73	23	0	18	30	0	0	2
Sawyer et al	42	29	10	0	3	0	0	0
Nishisaki et al	265	122	0	78	65	0	0	0
Colman et al	165	110	9	16	30	0	0	0
Gilfoyle et al	300	130	0	103	65	2	0	0
Figueroa et al	37	23	0	0	5	0	5	4
Tasi et al	177	63	10	76	25	0	0	3
Steinemann et al	137	44	33	24	23	0	16	0
Chang et al	275	128	0	131	16	0	0	0
Miller et al†	n/a	n/a	n/a	n/a	n/a	n/a	n/a	n/a
Total	1471	672	62	446	262	2	21	9

^*Other Allied: ED technicians and physician assistants.

^†Miller et al did not specify participant breakdown but included trauma surgery attendings, residents, ED nurses, technicians, pharmacists, clerks and RTs.