Table 4.

Admission rates following ED, day hospital, or ED observation encounters at each site.

Encounter types	Site 1 encounters followed by hospital admission	Site 2 encounters followed by hospital admission	P value±
Emergency department	824/1529 (54%)	791/1688 (47%)	0.0222
Day hospital	91/1207 (8%)	47/199 (24%)	0.0001
ED observation unit	24/67 (36%)	0
Totals*	939/2803 (33%)	838/1887 (44%)	0.0001

^±Chi square.

^*These totals do not reflect the 20 direct admissions for Site 1, and 49 direct admissions for Site 2.