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Hospital outcomes of pneumonia patients by hyponatremia status |
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| Hyponatremia present (n = 649) |
Hyponatremia absent (n = 7,316) |
p value* |
|
|
|
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| Hospital mortality (%) |
5.4 |
4.0 |
0.099 |
| Proportion on MV (%) |
3.9 |
2.3 |
0.014 |
| Proportion in ICU (%) |
10.0 |
6.3 |
<0.001 |
| Mean (SD) ICU LOS (days) |
6.3 (5.6) |
5.3 (5.1) |
0.069 |
| Mean (SD) HLOS (days) |
7.6 (5.3) |
7.0 (5.2) |
<0.001 |
| Median (95%CI) hospital costs |
$7,086 ($3,765–$14,221) |
$5,732 ($2,966–$12,290) |
0.001 |
|
MV = mechanical ventilation; ICU = intensive care unit; SD = standard deviation; HLOS = hospital length of stay; CI = confidence interval *P-values obtained using Wilcoxon rank-sum test or Median score test for continuous variables, and chi-square test for categorical variables | |||
Zilberberg et al. BMC Pulmonary Medicine 2008 8:16 doi:10.1186/1471-2466-8-16 |
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