CDAI Clinical Disease Activity Index Calculator
Introduction
Calculating the Clinical Disease Activity Index (CDAI) is crucial in assessing disease activity in patients with rheumatoid arthritis. This article provides a comprehensive guide on utilizing a CDAI calculator, explaining the formula, offering an example solve, and addressing frequently asked questions.
How to Use
To utilize the CDAI calculator, follow these steps:
- Input the required parameters: tender joint count (TJC), swollen joint count (SJC), patient global assessment (PGA), and evaluator global assessment (EGA).
- Click the “Calculate” button to obtain the CDAI score.
Formula
The CDAI is calculated using the following formula:
Where:
- TJC = Tender Joint Count
- SJC = Swollen Joint Count
- PGA = Patient Global Assessment
- EGA = Evaluator Global Assessment
- CRP = C-Reactive Protein (mg/dL)
Example Solve
Let’s consider an example:
- TJC = 10
- SJC = 8
- PGA = 50
- EGA = 40
- CRP = 2
Plugging these values into the formula:
CDAI=10+8+44.72+2
CDAI=64.72
So, the CDAI score is 64.72.
FAQ’s
Q: What is the significance of CDAI in rheumatoid arthritis management?
A: CDAI helps in evaluating disease activity and guiding treatment decisions in rheumatoid arthritis patients.
Q: Can CDAI be calculated without CRP values?
A: Yes, it can be calculated without CRP, but including CRP enhances its accuracy.
Q: Is the CDAI score interpreted differently for different patients?
A: No, the interpretation remains consistent across patients, with higher scores indicating greater disease activity.
Conclusion
The CDAI calculator is a valuable tool for healthcare professionals in assessing disease activity in rheumatoid arthritis patients. By understanding its formula and application, clinicians can make informed treatment decisions, ultimately improving patient outcomes.