Survival compared to the general population and changes in health status among intensive care patients

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Abstract
In order to evaluate intensive care, all adult patients (980) admitted to a multidisciplinary intensive care unit (ICU) during 1 year were followed prospectively. The ICU mortality was 9,6%. One year after admission the survival was 73.6%. By that time the surviving patients had a further survival that was 96% of that of the general population. Of the 1–year survivors, 22.3% had deteriorated in health status compared to 3 months before the stay in ICU. In the admission groups with high mortality the survivors had a more pronounced deterioration in health status. Increased age and length of stay in the ICU were associated with higher mortality but not with changes in health status. We conclude that the outcome of intensive care can be evaluated by studying only the survival, since the survival rate is correlated to changes in health status among survivors in the different admission groups. One year after admission most of the surviving patients had regained their previous health status and their further survival was almost the same as that of the general population.