Table 5 |
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|
Factors associated with a higher risk of in-hospital mortality in patients readmitted to the intensive care unit (ICU). |
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|
Univariate |
Multivariate |
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|
|
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|
Odds ratio (95% CI) |
p value |
Odds ratio (95% CI) |
p value |
|
|
|
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|
Age (per 10 years) |
1.18 (0.97 to 1.44) |
0.108 |
- |
- |
|
|
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|
Female |
0.98 (0.89 to 1.21) |
0.205 |
- |
- |
|
|
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|
Source of admission |
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|
|
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|
Operating room |
Reference |
NA |
- |
- |
|
|
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|
Emergency room |
1.21 (0.39 to 3.79) |
0.741 |
- |
- |
|
|
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|
Other hospital |
1.08 (0.42 to 2.76) |
0.877 |
- |
- |
|
|
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|
Cancer |
2.21 (1.21 to 4.03) |
0.010 |
1.69 (0.81 to 3.53) |
0.161 |
|
|
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|
Chronic heart failure |
1.22 (0.25 to 5.89) |
0.803 |
- |
- |
|
|
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|
Cirrhosis |
1.22 (0.25 to 5.89) |
0.803 |
- |
- |
|
|
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|
Chronic renal failure |
2.57 (1.30 to 5.08) |
0.006 |
2.39 (1.10 to 5.20) |
0.028 |
|
|
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|
Diabetes |
1.30 (0.72 to 2.36) |
0.380 |
- |
- |
|
|
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|
Unplanned admissions |
0.88 (0.48 to 1.60) |
0.667 |
- |
- |
|
|
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|
Sepsis during initial ICU stay |
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|
|
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|
No sepsis |
Reference |
NA |
- |
- |
|
|
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|
Sepsis |
1.44 (0.60 to 3.48) |
0.419 |
- |
- |
|
|
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|
Severe sepsis |
0.64 (0.18 to 2.34) |
0.501 |
- |
- |
|
|
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|
Type of surgery |
||||
|
|
||||
|
Neurosurgery |
0.35 (0.12 to 1.00) |
0.051 |
0.46 (0.14 to 1.48) |
0.193 |
|
|
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|
Thoracic surgery |
1.42 (0.45 to 4.44) |
0.553 |
- |
- |
|
|
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|
Cardiac surgery |
0.49 (0.26 to 0.92) |
0.026 |
0.54 (0.23 to 1.25) |
0.149 |
|
|
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|
Gastrointestinal |
3.39 (1.90 to 6.04) |
< 0.001 |
2.60 (1.17 to 5.80) |
0.020 |
|
|
||||
|
Trauma |
2.19 (0.81 to 5.94) |
0.122 |
2.27 (0.72 to 7.18) |
0.165 |
|
|
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|
Time to readmission |
||||
|
|
||||
|
Within 48 hours |
References |
NA |
Reference |
NA |
|
|
||||
|
2 to 7 days |
1.05 (0.42 to 2.66) |
0.914 |
0.81 (0.34 to 2.26) |
0.792 |
|
|
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|
> 7 days |
2.02 (0.81 to 5.02) |
0.131 |
1.73 (0.69 to 4.37) |
0.245 |
|
|
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|
Severity scores (per point) * |
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|
|
||||
|
SAPS 2 score ** |
1.02 (1.01 to 1.03) |
0.043 |
1.02 (1.01 to 1.04) |
0.045 |
|
|
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|
SOFA score ** |
1.04 (0.97 to 1.13) |
0.276 |
1.07 (0.98 to 1.16) |
0.163 |
|
|
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|
SOFAmax |
1.03 (0.96 to 1.11) |
0.382 |
1.05 (0.97 to 1.14) |
0.231 |
|
|
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|
Hosmer and Lemeshow chi-squared = 7.1, p = 0.526. * Introduced sequentially in the model due to co-linearity. ** On initial admission to the ICU. CI = confidence interval; SAPS = simplified acute physiology score; SOFA = sequential organ failure score. |
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|
Kaben et al. Critical Care 2008 12:R123 doi:10.1186/cc7023 |
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