Table 9:

Costs Within 90 Days Following Transient Ischemic Attack, Inpatient Care Versus Emergency Department Observation Unit

	90-Day Total Direct Cost, $US
	Inpatient	ED Observation Unit With ADP	Difference, Median	P Value
Index visit total direct cost, median (IQR)	1,529 (1,091–2,306)	864 (726–1,076)	617 (413–842)	< 0.001
90-day total direct cost, median (IQR)	1,548 (1,091–2,474)	890 (768–1,510)	540 (312–810)	< 0.001

Abbreviations: ADP, accelerated diagnostic protocol; ED, emergency department; IQR, interquartile range.

Source: Ross et al, 2007. (23)