Galen eCalcs - Calculator: Simple Disease Activity Index (SDAI)
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Description
The Simple Disease Activity Index for Rheumatoid Arthritis (SDAI) is the numerical sum of five outcome parameters: tender and swollen joint count (based on a 28-joint assessment), patient and physician global assessment of disease activity [visual analogue scale (VAS 0-10 cm], and level of C-reactive protein (mg/dl, normal <1 mg/dl). This calculator is associated with the Rheumatology specialty.
Calculator Configuration Options
Preference Name | Valid Range | Description |
---|---|---|
Publishing | Checked / Unchecked | When checked the calculator will display for users on the front end. When unchecked, the calculator WILL NOT display for users on the front end. |
Orderable Item Override | (BLANK) / G-SDAI | “(BLANK)” indicates that the global configuration options for Orderable Item will be used. “G-SDAI” indicates that the calculator specific value will be used and can display the specific calculator name in the output. |
Show Full Questions in Annotations | True / False | When checked the calculator will display for users on the front end. True will enable the display of the full calculator input question text (rather than Q1, Q2, etc.) in the result output annotations. False will disable the display of the full calculator input question text and display the question numbers and answers only in the result output annotations. |
Calculator Inputs
Input | Mapping Type | Description |
---|---|---|
CRP | Result | Any result item for C-Reactive Protein |
Calculator Outputs
Output | Mapping Type | Description |
---|---|---|
Interpretation | Result | The textual interpretation of the SDAI score |
Score | Result | The SDAI score value (0 - 86)
Referenceshttps://www.rheumatology.org/Portals/0/Files/SDAI%20Form.pdf |