Table 1.

Clinical and demographic characteristics of subjects by group assignment

Variable	Control (n=30)		Experimental (n=19)
	M	SD	M	SD	t
Age (years)	65.4	10.8	60.0	6.0	2.2*
ICU LOS (days)	2.7	2.4	4.0	5.9	−.97
Hospital LOS (days)	10.2	6.9	13.3	9.3	−1.3
Charlson comorbidity index	2.7	6.8	3.1	4.2	−.25
	n	%	n	%	χ2
Gender: Male	19	63	10	53	.55
Race: White	18	60.0	13	68.4	.35
Marital status: Married	17	56.7	7	36.8	1.8
Annual income
$20,000 or less	7	25.9	4	21.1	.18
$20,001–49,999	10	37.0	7	36.8
$50,000 or more	10	37.0	8	42.1

Note. ICU LOS: intensive care unit length of stay. Hospital LOS: hospital length of stay.

^*p <.05.