Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz
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Ihra, GC; Lehberger, J; Hochrieser, H; Bauer, P; Schmutz, R; Metnitz, B; Metnitz, PG.
Development of demographics and outcome of very old critically ill patients admitted to intensive care units.
Intensive Care Med. 2012; 38(4):620-626
Doi: 10.1007/s00134-012-2474-7
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PubMed
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- Co-Autor*innen der Med Uni Graz
- Metnitz Philipp
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- Abstract:
- To evaluate the development of demographics and outcome of very old (>80 years) critically ill patients admitted to intensive care units. All consecutive patients admitted to 41 Austrian intensive care units (ICUs) over an 11-year period. We performed a retrospective cohort study of prospectively collected data. To compare parameters over time, patients were divided into three groups (group I from 1998 until 2001, group II from 2002 to 2004, and group III from 2005 to 2008). A total of 17,126 patients older than 80 years of age were admitted over the study period. The proportion of very old patients increased from 11.5% (I) to 15.3% (III) with a significant higher prevalence of females in all groups (on average 63.2%). Severity of illness also increased over time, even when corrected for age. Use of noninvasive mechanical ventilation increased over the years. However, risk-adjusted mortality rates [observed-to-expected (O/E) ratios] decreased from 1.14 [confidence interval (CI) 1.11-1.18] to 1.02 (CI 0.99-1.05). This improvement in outcome was confirmed on multivariate analysis: for every year delay in ICU admission, the odds to die decreased by 3%. Moreover, females exhibited a better outcome compared with males. The relative and absolute numbers of very old patients increased over the study period, as did the severity of illness. Despite this, risk-adjusted hospital mortality improved over the study period. Females dominated in the very old patients and exhibited moreover a better outcome compared with males.
- Find related publications in this database (using NLM MeSH Indexing)
- Adult -
- Age Factors -
- Aged -
- Aged, 80 and over -
- Aged, 80 and over -
- Chi-Square Distribution -
- Critical Illness - mortality
- Demography -
- Female -
- Hospital Mortality - trends
- Humans -
- Intensive Care Units -
- Logistic Models -
- Male -
- Middle Aged -
- Outcome Assessment (Health Care) -
- Respiration, Artificial - statistics & numerical data
- Retrospective Studies -
- Severity of Illness Index -
- Sex Factors -
- Find related publications in this database (Keywords)
- Outcome
- ICU mortality
- Very old patients