Key result
In-hospital multimorbidity was associated with significantly higher odds of in-hospital mortality (OR 1.31) compared to non-multimorbid cases among adult medical inpatients.
Why the study?
The association of multimorbidity with healthcare outcomes in hospitalised medical inpatients remains incompletely understood.
Does in-hospital multimorbidity increase the risk of adverse healthcare outcomes in adult medical inpatients?
Population
2,220,000 medical discharge records from 1,463,781 adult patients in Switzerland
Comparison
Multimorbidity (at least two chronic conditions) vs fewer than two chronic conditions
Design
Population-based cross-sectional study
Authors
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May flag higher-risk inpatients for monitoring; leaves open whether targeted interventions improve outcomes.
Cross-Sectional (n=2,220,000)
Yes
Does in-hospital multimorbidity increase the risk of adverse healthcare outcomes in adult medical inpatients?
Odds Ratio: 1.31 (95% CI 1.28–1.34)
Absolute Event Rate: 5.5% vs 2.8%
p-value: p=<0.001
In-hospital multimorbidity is highly prevalent among medical inpatients and is significantly associated with increased in-hospital mortality, ICU admission, length of stay, and readmission rates, with the strongest associations observed in younger patients.
Huembelin et al. (2021) conducted a cross-sectional in In-hospital multimorbidity (n=2,220,000). Multimorbidity (≥2 chronic conditions) vs. Non-multimorbid cases (≤1 chronic condition) was evaluated on All-cause in-hospital mortality (OR 1.31, 95% CI 1.28 to 1.34, p=<0.001). In-hospital multimorbidity was associated with significantly higher odds of in-hospital mortality (OR 1.31) compared to non-multimorbid cases among adult medical inpatients.
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