Table 3.

Adjusted total 1-year health care costs ^*

Measure	Delirium Group	Non-delirium Group	Difference (Delirium - Non- delirium)	p-value
Total costs per survival day	$461 ± $570	$166 ± $195	$295	<.001
Total costs, method 1†	$65,755 ± $58,247	$49,452 ± $43,806	$16,303	0.005
Total costs, method 2 ‡	$117,620 ± $109,530	$53,199 ± $54,698	$64,421	<.001
Total costs, method 3 §	$120,349 ± $181,274	$59,833 ± $55,155	$60,516	<.001

^*Costs are adjusted for inflation and are reported in 2005 dollars.

^†Based on ordinary least square (OLS) regression model of log-transformed total costs.

^‡Based on OLS regression model of log-transformed daily costs multiplied by average days survived.

^§Based on partitioned estimator of Bang and Tsiatis (2000).