This study evaluated the association between baseline frailty (mFI-11) and acute illness severity (SAPS 3) with real hospital costs in adult patients admitted to the Intensive Care Unit (ICU). The objective was to determine if frailty and severity are independent predictors of resource consumption.
A retrospective cohort study was conducted at Hospital H+ Querétaro involving 142 adult patients admitted to the ICU between January 2024 and May 2025. Baseline frailty was calculated using the 11-item Modified Frailty Index (mFI-11), and acute severity was assessed with the SAPS 3 score. Total hospital costs were obtained from institutional financial records. Multivariate models were used to adjust for comorbidities (Charlson Index) and other clinical variables to identify independent determinants of hospital expenditure.
Study Type
OBSERVATIONAL
Enrollment
142
The total monetary expenditure (expressed in Mexican Pesos) generated during the hospital stay, as recorded in the institutional financial database.
Hospital H+ Querétaro, Santiago de Querétaro, Querétaro
Querétaro City, Querétaro, Mexico
Total Real Hospital Cost
The total monetary expenditure (in local currency) recorded in the institutional administrative database for the hospital episode, from admission to discharge or death.
Time frame: From ICU admission to hospital discharge (approximately 17 months of data collection period).
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