Table 3

Subgroup analysis for the incidence of delirium with CAM-ICU and NEECHAM Confusion Scale

n = 172 patients

CAM-ICU
P value
NEECHAM scale
P value

Age
Under 65 years, n = 98
22.4%
0.31
23.5%
0.24

65 years or older, n = 74
16.2%

16.2%

Gender
Male, n = 102
18.6%
0.65
19.6%
0.77

Female, n = 70
21.4%

21.4%

Category of admittance
Cardiac surgery, n = 40
15.0%
0.20
10.0%
0.08

Other surgery, n = 64
15.6%

18.8%


Internal medicine, n = 68
26.5%

27.9%


P value of the difference was calculated with the chi-square test. CAM-ICU, Confusion Assessment Method for the Intensive Care Unit; NEECHAM, Neelon and Champagne.

Van Rompaey et al. Critical Care 2008 12:R16   doi:10.1186/cc6790