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FUNC Score Calculator

The FUNC score is a clinical assessment tool that predicts, at hospital admission, which primary ICH patients are likely to attain functional independence at 90 days following ICH.[1]

FUNC Score Prediction Tool

The FUNC score is intended to provide guidance in clinical decision-making and patient selection for clinical trials. The components of FUNC score[2] (age, GCS, ICH location, ICH volume, and pre-ICH cognitive impairment) are obtained on evaluation of patients with ICH upon arrival to the hospital. Based on the number of points assigned within each category (see FUNC Score Prediction Tool inset or dropdown menu) of the individual components, a total FUNC score is calculated (range 0-11). For each individual ICH patient, a particular FUNC score value corresponds to the % probability of attaining functional independence (Glasgow Outcome Score greater than or equal to 4) at 90 days (Entire Cohort).

To eliminate the effects of early withdrawal of care on outcome, we also calculated the likelihood of long-term functional recovery in those ICH patients who survived to 90 days (Survivors Only), and their % probabilities of achieving functional independence at 90 days are presented below, as well. In our study, no patient assigned a FUNC score less than or equal to 4 achieved functional independence at 90 days, while greater than 80% with a score of 11 did in both patient cohorts.

FUNC Score Prediction Tool graph

Figure. FUNC Score Prediction Tool.
Y-axis: % ICH patients who reach functional independence at 90 days.
X-axis: FUNC score categories.
Data table: % functionally independent patients among the entire cohort and survivors only (per FUNC score category).
Inset: FUNC score determinants provided to facilitate clinical use of this ICH outcome prediction tool.

Calculate FUNC Score

ICH volume (cc)
Age (yrs)
ICH Location
GCS
Pre-ICH Cognitive Impairment

References

  1. Natalia S. Rost, Eric E. Smith, Yuchiao Chang, Ryan W. Snider, Rishi Chanderraj, Kristin Schwab, Emily FitzMaurice, Lauren Wendell, Joshua N. Goldstein, Steven M. Greenberg, and Jonathan Rosand
    Prediction of Functional Outcome in Patients With Primary Intracerebral Hemorrhage: The FUNC Score.
    Stroke published 12 June 2008, 10.1161/STROKEAHA.107.512202
  2. All FUNC score components are determined on admission, including ICH volume and location (determined on admission non-contrast head CT). Pre-ICH cognitive impairment is determined by family interview (IQCODE)[3] or known history of dementia.
  3. Jorm AF, Korten AE. Assessment of cognitive decline in the elderly by informant interview. Br J Psychiatry. 1988;152:209-213.

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