Patient No-Show Rate Calculator accuracy and testing

Formula source

• No-show rate = no-shows / scheduled appointments x 100. Missed slot rate adds late cancellations.

Test cases

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 is operations planning math, not medical, legal, staffing, billing, or financial advice.

Unit handling

• Scheduled Appointments accepts numeric values.
• No-Shows accepts numeric values.
• Late Cancellations accepts numeric values.
• Average Visit Value accepts values in $.
• No-Show Rate is displayed as a percentage.
• No-Show + Late Cancel Rate is displayed as a percentage.
• Estimated Lost Visit Value is displayed as currency.

Rounding rules

• Number displays use up to 2 decimal places in the calculator UI.
• Currency outputs are displayed with standard US dollar formatting.
• Percent outputs are displayed with two decimal places.
• Input precision follows configured step values where provided.

Version history

Change log