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Updated: Jun 16, 2026

Assessment of Dependence in Activities of Daily Living Among Older Patients in an Acute Care Unit
Published on: September 30, 2020
Hospital utilization and aging in Spain (2006).
Emilio Moreno-Millán1, Agustin Molina-Morales, Ignacio Amate-Fortes
1Intensive Care Unit, Hospital Santa Bárbara, Puertollano, Spain. emormill@hotmail.com
Age alone does not increase hospital resource utilization. Instead, emergency admissions and patient mortality significantly drive higher hospital costs due to increased severity and complexity.
Area of Science:
- Healthcare Management
- Gerontology
- Health Economics
Background:
- Understanding the relationship between patient demographics and hospital resource utilization is crucial for effective healthcare management.
- Previous assumptions often linked advanced age directly to increased healthcare consumption and costs.
Purpose of the Study:
- To investigate the direct relationship between chronological age, the aging process, and the utilization of hospital resources.
- To determine factors influencing hospital costs beyond patient age.
Main Methods:
- Utilized the Spanish Minimum Data Set (2006) with quantitative variables including length of stay, relative weight, diagnoses, and procedures.
- Analyzed clinical parameters like severity (weight, complications, comorbidities, mortality) and complexity (weight, length of stay).
- Stratified data by age groups, gender, admission type (emergency vs. scheduled), and discharge status (alive vs. deceased).
Main Results:
- Highest severity observed in males aged 65-69; highest complexity in males aged 75-79 and females aged 85-89.
- Severity and complexity were significantly higher in emergency admissions across various age groups.
- Deceased patients exhibited greater age, severity, and complexity compared to survivors.
Conclusions:
- Chronological age itself is not a direct determinant of hospital resource consumption or costs.
- The aging process does not inherently lead to higher hospital utilization or expenses.
- Emergency admissions and patient mortality are key drivers of increased resource consumption and hospital costs due to higher severity and complexity.
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