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. Author manuscript; available in PMC: 2015 Apr 1.
Published in final edited form as: J Am Assoc Nurse Pract. 2013 Jun 18;26(4):187–193. doi: 10.1002/2327-6924.12051

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.