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Hospital OperationsGenerated accuracy model review: 2026-05-06
Nurse Staffing Ratio Calculator accuracy and testing
This page documents how Calwarden builds trust for this calculator: source notes, regression-style default tests, limitations, assumptions, unit handling, rounding, and visible change history.
Formula source
- Patients per nurse = patients / nurses. Nurses needed = ceiling(patients / target ratio).
Test cases
Default input regression check
Generated from the checked-in default inputs and calculate function.
Inputs
- Patients: 36
- Current Nurses: 8
- Target Patients per Nurse: 4
Expected outputs
- Patients per Nurse: 4.5
- Nurses Needed: 9
- Staffing Gap: 1
Known limitations
- This page documents the checked-in calculator logic and does not certify results for every real-world edge case.
- Use the result as a planning estimate unless the calculator page states a stricter purpose.
Assumptions
- The calculators use simple transparent formulas rather than vendor-specific analytics models.
- Inputs are processed locally in the browser and are not stored by Calwarden.
- This calculator does not set safe staffing levels or replace nursing leadership judgment.
Unit handling
- Patients accepts numeric values.
- Current Nurses accepts numeric values.
- Target Patients per Nurse accepts numeric values.
Rounding rules
- Number displays use up to 2 decimal places in the calculator UI.
- Input precision follows configured step values where provided.
Version history
1.0.0 - 2026-05-06
Generated accuracy and testing page from the current nurse-staffing-ratio-calculator calculator definition.
Change log
2026-05-06
Published default regression test documentation and metadata fallbacks for Nurse Staffing Ratio Calculator.
Calculator transparency
Accuracy pages are generated from checked-in calculator definitions and can be upgraded with curated review metadata over time.