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Calcimator

Fall Risk Assessment Calculator

Risk scoring from mobility, medication, and environmental factors.

Inputs

Results

Fall Risk Score

16

Risk Level (0-3)0
Estimated Annual Fall Probability (%)40%
Modifiable Risk Factors2
Potential Risk Reduction (%)16%
Estimated Annual Injury Cost$4,158.00
How to Use This Calculator
  1. Enter age and fall history (falls in the past year).
  2. Select mobility status (independent, uses assistive device, or dependent).
  3. Enter number of medications and high-risk medication types (diuretics, sedatives, antihypertensives).
  4. Review fall risk score, risk level (low/moderate/high), and estimated annual fall rate (%).
  5. Review the list of modifiable risk factors and discuss interventions with the care team.

How the result changes with Age

AgeFall Risk Score
5611
7113
8919
10419

What each input means

Age
Current age. Fall risk increases significantly after age 65.
Fall History (past year)
0 = No falls, 1 = One fall, 2 = Two or more falls. Prior falls are the strongest predictor.
Mobility Status
0 = Independent, 1 = Uses cane/walker, 2 = Wheelchair/bedridden, 3 = Unsteady gait.
Number of Medications
Total medications taken. 4+ (polypharmacy) increases fall risk.
High-Risk Medication Types
0 = None, 1 = One type, 2 = Two+ types (sedatives, blood pressure meds, opioids, antidepressants).
Vision Impairment
0 = Normal/corrected, 1 = Mild impairment, 2 = Significant impairment.
Cognitive Status
0 = Intact, 1 = Mild impairment, 2 = Moderate/severe impairment.
Home Hazard Level
0 = Minimal hazards, 1 = Some (loose rugs, poor lighting), 2 = Many hazards.
Balance Confidence
0 = Very confident, 1 = Somewhat confident, 2 = Not confident in balance.
Chronic Conditions
0 = None, 1 = 1-2 conditions, 2 = 3+ (arthritis, diabetes, neuropathy, Parkinson's).

What each result means

Fall Risk Score
Composite score: 0-20 Low, 21-40 Moderate, 41-60 High, 61+ Very High.
Risk Level (0-3)
0 = Low, 1 = Moderate, 2 = High, 3 = Very High fall risk.
Estimated Annual Fall Probability (%)
Estimated chance of experiencing a fall in the next year.
Modifiable Risk Factors
Number of risk factors that can be addressed through intervention.
Potential Risk Reduction (%)
Estimated fall risk reduction achievable through targeted interventions.
Estimated Annual Injury Cost
Expected annual cost of fall-related injuries (based on CDC data, ~$35k avg).

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    4 parameters
    Age = 75, Fall History (past year) = 0, Mobility Status = 0, Number of Medications = 3 = 10 input(s) provided
  2. Calculate Fall Risk Score
    Fall Risk Score
    16 = 16
  3. Calculate Risk Level
    Risk Level
    0 = 0
  4. Calculate Estimated Annual Fall Probability
    Estimated Annual Fall Probability = min(95, baseFallRate * (1 + riskScore / 50))
    40 = 40%

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