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13.07.2019 | Original Article

Effectiveness of the IQM peer review procedure to improve in-patient care—a pragmatic cluster randomized controlled trial (IMPRESS): study design and baseline results

Zeitschrift:
Journal of Public Health
Autoren:
Jochen Schmitt, Olaf Schoffer, Felix Walther, Martin Roessler, Xina Grählert, Maria Eberlein-Gonska, Peter C. Scriba, Ralf Kuhlen
Wichtige Hinweise

Electronic supplementary material

The online version of this article (https://​doi.​org/​10.​1007/​s10389-019-01118-9 ) contains supplementary material, which is available to authorized users.

Publisher’s note

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Abstract

Aim

The primary objective of the IMPRESS study is to assess the causal effects of the IQM peer review on mortality in patients ventilated > 24 h. Secondary analyses are conducted for mortality in patients with myocardial infarction, stroke, COPD, pneumonia, and the procedural provision of a colorectal resection. This article provides a description of the study design and presents baseline results.

Subjects and methods

Descriptive statistics for 231 included hospitals and patient characteristics.

Results

Due to randomization, the treatment/control group hospitals were similar with respect to the mortality in patients ventilated > 24 h and other patient and hospital characteristics at baseline. Mortality was highest (lowest) in patients ventilated > 24 h (with colorectal resection).

Conclusion

The IMPRESS study provides a unique opportunity to assess the impact of the IQM peer review on the mortality in patients ventilated > 24 h. The secondary, exploratory, and qualitative analyses are expected to provide insights on determinants of in-hospital mortality, structure and process quality, and the robustness of different approaches to risk adjustment of quality indicators.

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