Table 1

High-risk patients and visit characteristics

		Emergency patients (n=3853)		Inpatients (n=726)
		n	%	n	%
Number of visits (emergency patients) or admissions (inpatients)	Average/patient	6.79		3.68
	Minimum/patient	4		3
	Maximum/patient	183		20
	Average for top 100	37.97		7
	Average for top 50	52.32		8
	Total visits	26 168	100	2674	100
Most responsible reasons for visits	Visits for substance use	2343	8.95	15	0.56
	Visits for mental health	1796	6.86	4	0.15
	Visits for palliative care	28	0.11	21	0.79
	Visits for homelessness	91	0.35	1	0.04
	Visits categorised as avoidable	1799	6.87	354	13.24
Cumulative length of stay/patient	Average	n/a		61.004
	Minimum	n/a		31
	Maximum	n/a		414
Comorbidities/patient	Average	n/a		6.35
	Minimum	n/a		0
	Maximum	n/a		19
No fixed address		349	9.06	1	0.14
No family doctor		875	22.7	43	5.92
Sex	Male	2108	54.71	403	55.51
Age	Under 18	4	0.10	–	0
	18–39	1105	28.68	87	11.98
	40–64	1392	36.13	301	41.46
	65–79	862	22.37	244	33.61
	80 and above	490	12.72	94	12.95
Language	English	3412	88.55	620	85.40
Income quintile	1—lowest	1106	28.70	178	24.52
	2—medium low	770	19.98	141	19.42
	3—medium	648	16.82	224	30.85
	4—medium high	445	11.55	154	21.21
	5—highest	465	12.07	120	16.53
	Missing	46	1.19	5	0.69
	Blank	373	9.68	4	0.55