What is the average cost of icu per day
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This de facto accounting standard not only allows the calculation of reimbursement rates for each G-DRG, but it is also suitable for strategic planning and benchmarking, and, due to its accuracy and transparency, for cost analysis [ 7 ]. Briefly, according to the InEK handbook of calculation the cost object accounting is based on a defined cost template and corresponding cost categories [ 9 ].
Costs are divided into three main categories: [ 1 ] staff costs, [ 2 ] material costs and [ 3 ] infrastructure costs. Within the three categories, a total of 11 different cost centers are calculated see Additional file 1.
Cost allocation on each inpatient case generates a uniform cost-matrix and relies on a full cost approach using real costs. Direct costs, which are mandatory for implants, blood products or drugs etc. Overhead costs and costs on primary cost units are charged based upon key cost drivers. Amounts for indirect cost units such as on demand medication or dressing material are allocated to primary cost units and are excluded if they are not relevant for the corresponding G-DRG [ 7 , 9 ].
Labor costs, which are crucial in ICU settings, are measured according to actual utilization of the respective caregiver medical staff, nursing staff, and technical staff; see Additional file 1.
Daily ICU costs were not available for analysis. For the second and third group we additionally regressed on the number of ventilation days. This way we estimate and compare the daily costs of ICU stay between the three groups in order to determine whether estimated costs of a single non-ventilated ICU day are different between never-ventilated patients and patients that are ventilated at some point in their ICU stay.
All results regarding the impact of ventilation on daily ICU cost were shown on an absolute and relative scale. For all statistical analyses Stata Version The cost per non-ventilated ICU day is similar between those never-ventilated and patients ventilated at some point during their hospital stay. This suggests that the higher total daily costs of ventilated patients may be attributed to the costs of ventilation rather than the underlying disease. While the higher costs of mechanical ventilation can in part be a reflection of the costs calculation method, one would expect the underlying disease to be responsible for a large part of the cost.
Relative increase in daily costs due to mechanical ventilation. In subgroups where less than 2 patients were ventilated, costs per ventilated ICU day are not shown.
Figure created with Microsoft Office. Intensive care is a major cost component in modern healthcare systems [ 10 ]. While costs of a ventilated ICU day differed very little between the different patient groups, the large variability of the cost increase associated with initiation of ventilation could open up avenues to effective resource allocation by for example focusing preventative measures, where multiple possible interventions might compete for funding, on the patient groups where avoidance of MV would be associated with the highest savings.
Detailed cost data is thus useful to inform policy and optimally allocate limited resources. Our findings contribute towards this. Overall, our results are in line with the available literature [ 2 , 3 , 4 , 5 ]: Dasta et al.
Other studies reported much lower extra costs of mechanical ventilation: Moran et al. This may imply that ICU patients with musculoskeletal diseases, on average, require higher treatment intensity even when they are not ventilated.
Among the ICU patients with respiratory diseases as main diagnosis , in contrast, the absence of ventilation might be associated with a generally lower treatment intensity. A limitation of our study of course is the single-center nature of the data, however the sample was decently-sized and included all patients treated in the period examined, limiting some sources of bias. The competing interests of the hospital to trigger reimbursement for services rendered and the sickness funds to limit cost should result in a good level of reliability of the administrative data.
Another limitation is that daily ICU costs were not available for analysis. In practice, avoidance of one last additional day of ventilation in a given patient is expected to lead to lower cost savings than avoidance of the most expensive first day of ventilation, after which daily cost drops rapidly [ 2 ]. However, this does not detract from the usefulness of our findings on the cost differences between patient groups by the ICD chapter of the main diagnosis, which has been previously underreported and is important due to the large size of the effect.
The magnitude of the increase over unventilated care differs strongly between different underlying diseases.
It might be possible to generate saving by focusing budgets for efforts to prevent necessity of ventilation on fields where initiation of ventilation would lead to a particularly pronounced cost increase. Overall, the results show substantial variability of ICU costs for patients with different underlying diseases and underline mechanical ventilation as an important driver of ICU costs. This needs to be taken into account when estimating the economic burden of diseases that require intensive care treatment with or without mechanical ventilation.
More studies on the daily costs of mechanical ventilation and intensive care are duly needed. A German national prevalence study on the cost of intensive care: an evaluation from 51 intensive care units. Crit Care. Article Google Scholar. Daily cost of an intensive care unit day: the contribution of mechanical ventilation. Crit Care Med. Cost calculation and prediction in adult intensive care: a ground-up utilization study.
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