Smart Healthcare Calculations, Made Simple

From bed days to outcomes — instantly. Use CalcEHR for PPV/NPV, Occupancy, ALOS, Readmission, and Incidence/Prevalence.

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Predictive values from sensitivity, specificity, prevalence.

Bed occupancy %, average length of stay, readmission rate.

Rates per 1,000 or 100,000 population.

Diagnostic Test — PPV & NPV

Sensitivity (%) Specificity (%) Prevalence (%)

Hospital Occupancy, ALOS & Readmission

Occupied bed days Available bed days Total inpatient days Total discharges Readmissions (30‑day)

Incidence & Prevalence Rates

New cases (period) Existing cases (at a point) Population at risk Scale per