Table 5 |
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Multivariable regression analysis: intensive care unit and hospital mortality in population subgroupsa |
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| Period I (n = 2,366) 1 Mar 01 to 28 Feb 02 |
Period II (n = 3,322) 1 Mar 02 to 30 Jun 03 |
Period III (n = 4,786) 1 Jul 03 to 28 Feb 05 |
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| OR (95% CI) |
OR (95% CI) |
OR (95% CI) |
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| Surgical and trauma ICU population |
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|
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| n = 1,429 |
n = 1,991 |
n = 3,011 |
|
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|
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| ICU mortality |
1.00 |
1.27 (0.97, 1.67) |
1.40 (1.08, 1.82)b |
| Hospital mortality |
1.00 |
1.18 (0.94, 1.48) |
1.18 (0.95, 1.47) |
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| Trauma ICU populationc |
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|
|
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| n = 854 |
n = 1,195 |
n = 1,866 |
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|
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| ICU mortality |
1.00 |
1.25 (0.85, 1.84) |
1.76 (1.23, 2.53)d |
| Hospital mortality |
1.00 |
1.12 (0.81, 1.54) |
1.16 (0.85, 1.57) |
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| Medical ICU population |
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|
|
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| n = 920 |
n = 1,301 |
n = 1,641 |
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| ICU mortality |
1.00 |
1.12 (0.83, 1.52) |
1.10 (0.82, 1.47) |
| Hospital mortality |
1.00 |
1.02 (0.87, 1.41) |
1.11 (0.87, 1.41) |
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aAll estimates are adjusted for admission age, history of diabetes, Simplified Acute Physiology Score (SAPS) II with age points removed, and mechanical ventilation at ICU admission. bP <0.05 multivariable regression (maximum likelihood estimation). cIn the trauma ICU population, the models also adjust for Injury Severity Score. dP <0.01 multivariable regression (maximum likelihood estimation). CI, confidence interval; ICU, intensive care unit; OR, odds ratio. |
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Treggiari et al. Critical Care 2008 12:R29 doi:10.1186/cc6807 |
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