Epistemis

Axial Spondyloarthritis Activity Calculator (BASDAI)

Rate the following questions about the patient's last week on a scale from 0 (none/minimal) to 10 (extreme/severe):

Required inputs

The inputs this calculator asks for inside the app.
VariableExample value
1. Overall level of fatigue or tiredness—
2. Neck, back or hip pain—
3. Pain or swelling in other joints—
4. Discomfort in areas tender to touch/pressure—
5. Intensity of morning stiffness—
6. Duration of morning stiffness (0-10, where 10 is ≥ 2 hours)—

Run the calculation in the app

This page explains the score but does not run it. In Epistemis, the calculator validates units, flags values outside physiological ranges, and provides the interpretation that a number alone cannot convey.

Epistemis is educational review material. It is not a medical device, does not diagnose or prescribe treatment, and does not replace formal medical training, current clinical guidelines, or professional clinical judgment.

Specialty
Rheumatology
Area
Internal Medicine
Variable phases
6
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