Table 3.

Demographics and positivity rate of persons attending The Royal Free Hospital emergency department between January and June 2015 for whom a residual sample was available and tested for BBV

	Persons tested	HBsAg-positive		Anti-HCV-positive		HCV PCR-positive		Anti-HIV- and p24Ag-positive
	n = 1287	n = 12	%	n = 21	%	n = 12	%	n = 15	%
Sex
Male	608	6	1.0	18	3.0	10	1.6	9	1.5
Female	679	6	0.9	3	0.4	2	0.3	6	0.9
Age group
18–35	284	4	1.4	0	0.0	0	0.0	4	1.4
36–55	353	4	1.1	9	2.5	5	1.4	4	1.1
⩾56	650	4	0.6	12	1.8	7	1.1	7	1.1
Ethnicity
White	784	5	0.6	10	1.3	4	0.5	10	1.3
Asian	180	1	0.6	4	2.2	2	1.1	3	1.7
Black	109	6	5.5	3	2.8	3	2.8	1	0.9
Other/mixed	134	0	0.0	2	1.5	1	0.7	1	0.7
Not reported	80	0	0.0	2	2.5	2	2.5	0	0.0
Re-attendance
Yes	552	6	1.1	13	2.4	7	1.3	3	0.5
No	735	6	0.8	8	1.1	5	0.7	12	1.6
Registered with a GP
Yes	1244	12	1.0	20	1.6	12	1.0	14	1.1
No	43	0	0.0	1	2.3	0	0.0	1	2.3
Time of attendance
00:00–07:59	247	5	2.0	3	1.2	1	0.4	1	0.4
08:00–15:59	526	2	0.4	11	2.1	6	1.1	7	1.3
16:00–23:59	514	5	1.0	7	1.4	5	1.0	7	1.4
Day of attendance
Weekday	800	7	0.9	14	1.8	7	0.9	10	1.3
Weekend	487	5	1.0	7	1.4	5	1.0	5	1.0
Reason for attendance
Trauma and orthopaedics	210	1	0.5	3	1.4	1	0.5	2	1.0
Infections	112	1	0.9	2	1.8	0	0.0	1	0.9
Cardiac conditions	141	1	0.7	6	4.3	6	4.3	0	0.0
Haematology	10	0	0.0	0	0.0	0	0.0	0	0.0
Central nervous system conditions	72	0	0.0	0	0.0	0	0.0	1	1.4
Respiratory conditions	79	0	0.0	2	2.5	1	1.3	4	5.1
Gastrointestinal conditions	202	5	2.5	1	0.5	0	0.0	0	0.0
Urological conditions	103	0	0.0	3	2.9	1	1.0	1	1.0
Obstetrics and gynaecological conditions	39	0	0.0	0	0.0	0	0.0	0	0.0
Diabetes	10	0	0.0	0	0.0	0	0.0	0	0.0
Dermatology conditions and allergy	31	1	3.2	0	0.0	0	0.0	0	0.0
Maxillofacial, ENT conditions and ophthalmology	43	2	4.7	0	0.0	0	0.0	0	0.0
Psychological and social	29	0	0.0	0	0.0	0	0.0	0	0.0
Not reported	206	1	0.5	4	1.9	3	1.5	6	2.9