Table 1 |
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Description of population and relevant risk factors for delirium. |
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|
Study Group N = 69 |
Control Group N = 67 |
P-value |
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|
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|
Patient |
age |
years, mean (range) |
57 (19 to 81) |
62 (18 to 84) |
0.57 |
|
characteristics |
gender |
male |
68.1% |
64.2% |
0.72 |
|
education |
university |
7.2% |
11.9% |
0.07 |
|
|
college |
40.6% |
19.4% |
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high school |
42.0% |
55.2% |
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|
other |
10.1% |
13.4% |
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|
smoking |
daily smoking |
20.3% |
23.9% |
0.68 |
|
|
number of cigarettes per day when smoking |
17.4 |
11.8 |
0.14 |
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|
alcohol |
regular use |
46.4% |
40.3% |
0.49 |
|
|
number of units/week when regularly use |
6.7 |
5.8 |
0.65 |
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|
living single at home |
yes |
18.8% |
28.4% |
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|
professionally active |
yes |
46.4% |
31.3% |
0.01 |
|
|
kids |
yes |
73.9% |
73.1 |
0.92 |
|
|
Chronic pathology |
≥ 1 Comorbidity |
yes |
68.1% |
75.8% |
0.32 |
|
Acute illness |
TISS 28 |
mean (range) |
24.5 (9 to 40) |
24.5 (11 to 43) |
0.74 |
|
SOFA score first 24 hrs |
mean (range) |
7.2 (1 to 14) |
7.0 (2 to 15) |
0.65 |
|
|
SAPS 3 score |
mean (range) |
42.5 (0 to 78) |
42.1 (0 to 78) |
0.89 |
|
|
admission |
surgery |
69.6% |
79.1% |
0.20 |
|
|
internal medicine |
30.4% |
20.9% |
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|
emergency surgery versus scheduled research |
21.6% |
29.7% |
0.30 |
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|
first time intensive care |
yes |
65.2% |
44.8% |
0.02 |
|
|
Maximal RIFLE |
No acute kidney injury |
3.1% |
9.5% |
0.22 |
|
|
score during study |
risk |
9.2% |
3.2% |
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|
injury |
20.0% |
15.9% |
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|
failure |
67.7% |
71.4% |
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|
SLEDD necessity |
Number of patients |
4 |
5 |
0.52 |
|
|
length in study |
mean hours of observation per patient (SD) |
42.8 (25.7) |
32.6 (25.7) |
0.02 |
|
|
Environment |
intensive care unit |
study unit 1 |
21.7% |
17.9% |
0.57 |
|
study unit 2 |
21.7% |
26.9% |
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|
study unit 3 |
29.0% |
20.9, % |
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|
study unit 4 |
27.5% |
34.3% |
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|
visible clock |
yes |
95.7% |
89.6% |
0.17 |
|
|
visible daylight |
yes |
60.9% |
67.2% |
0.45 |
|
|
isolation |
yes |
2.9% |
6.0% |
0.38 |
|
|
no visit |
yes |
0.0% |
4.5% |
0.12 |
|
|
room |
open |
39.1% |
56.7% |
0.12 |
|
|
separated by walls, open end |
18.8% |
11.9% |
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|
closed box |
42.0% |
31.3% |
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|
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|
P-value was calculated using independent-samples T test, Mann Whitney U test or Chi square where appropriate. N, number; RIFLE, Risk, Injury, Failure, Loss and End Stage; SAPS 3, Simplified Acute Physiology Score 3; SLEDD, sustained low-efficiency daily dialysis; SOFA, Sepsis-related Organ Failure Assessment; TISS 28, Therapeutic Intervention Scoring System. |
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|
Van Rompaey et al. Critical Care 2012 16:R73 doi:10.1186/cc11330 |
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