Table 1

Sample demographics

	n Total ED	Percent total ED	n Frequent user	Percent frequent user
Visits
Male visits	12 942	42.33	4226	38.97
Female visits	17 632	57.67	6617	61.03
Total	30.575	100	10 363	100
Patients
Male patients	7372	44.49	587	37.63
Female patients	9197	55.51	973	62.37
Total patients	16 569	100	1560	100
Race
Caucasians	14 309	85.36	1364	87.49
African–American	1659	10.01	170	10.90
Asian	46	0.28	0	0
Others	657	4.32	27	1.60
Missing	5	0.03	0	0
Total	19 103	100.00	1.560	100