Self-referred walk-in patients in the emergency department – who and why? Consultation determinants in a multicenter study of respiratory patients in Berlin, Germany

Table 3 Defining variables of target group SRW: initiation of visit and means of arrival at the ED

Variable	Self-referred	Referred by health professional	Referral unknown	Total
Walk-in	185^a	103^b	3	291
EMS/ambulance	102^b	66^b	3^b	171
Means of arrival unknown	5	4^b	1	10
Total	292	173	7	472

Note. Numbers in table represent cases in groups; EMS/ambulance patients: defined as referred if emergency service/transport initiated by a health professional, and self-referred if initiated by the patient; The SRW target group is marked with ^a, constellations classified into the non-SRW group with ^b

ISSN: 1472-6963