SDAI (Simplified Disease Activity Index) Calculator

Calculates SDAI for rheumatoid arthritis by summing swollen joint count, tender joint count, patient global, physician global, and CRP (mg/dL), with ACR/EULAR remission criteria comparison.

Weight
Height
Clinical Guidance

BMI is a screening measure of body size, not a direct measure of body fat. The standard WHO categories are underweight (<18.5), normal (18.5–24.9), overweight (25–29.9), and obese (≥30).

BMI can overestimate body fat in athletes with high muscle mass and underestimate it in older adults with low muscle mass. Interpret it alongside waist circumference and clinical context rather than as a standalone diagnosis.

⚕ Clinical Disclaimer: These calculators are for educational and reference purposes only. Always verify results with qualified clinical judgment and current clinical guidelines. Do not use as a sole basis for medical decisions.
Advertisement

How to Use

Enter the values for the scenario you are assessing. Calculates SDAI for rheumatoid arthritis by summing swollen joint count, tender joint count, patient global, physician global, and CRP (mg/dL), with ACR/EULAR remission criteria comparison. Use the sdai score result to inform your calculation.

Related Calculators

CDAI

Medical

DAS28

Medical

ACR/EULAR Remission

Medical

Frequently Asked Questions