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Evaluation of quality improvement interventions to reduce inappropriate hospital use
Michel P Kossovsky1, Pierre Chopard, Filippo Bolla
1Department of Internal Medicine, Geneva University Hospitals, Switzerland. Michel.Picard-Kossovsky@hcuge.ch
Objective:
To assess the impact of process analyses and modifications on inappropriate hospital use.
Design:
Pre-post comparison of inappropriate hospital use after process modifications.
Setting:
The Department of Internal Medicine of the Geneva University Hospitals, Switzerland.
Participants:
A random sample of 498 patients.
Interventions:
Two processes of care (i.e. non-urgent admissions and transfer to a rehabilitation hospital), which influenced inappropriate hospital use, were identified and modified. The impact of these modifications was then assessed.
Main Outcome Measures:
The proportion of inappropriate hospital admissions and inappropriate hospital days.
Results:
As a baseline assessment before quality improvement interventions, the appropriateness of hospital use (admissions and hospital days) was evaluated using the Appropriateness Evaluation Protocol (AEP) in a sample of 500 patients (5665 days). After modification of the two processes through a quality improvement program, inappropriate hospital use was reassessed in a sample of 498 patients (6095 days). Inappropriate hospital admissions decreased from 15 to 9% (P = 0.002) and inappropriate hospital days from 28 to 25% (P = 0.12).
Conclusion:
Using the AEP as a criterion, the quality improvement interventions significantly reduced inappropriate hospital use due to the process of non-urgent admissions, but the reduction of inappropriate hospital days specifically attributed to the transfer to the rehabilitation hospital did not reach statistical significance.