Galen eCalcs - Calculator: Simple Disease Activity Index (SDAI)

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SDAI 2019.png

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 Search/Filter Keywords

At the calculator level, eCalcs comes delivered with default keywords that can be leveraged in the "Search/Filter" field to enable Specialty or System driven calculator searching. The following calculator keywords are delivered by default for the SDAI calculator:

Specialties

  • Orthopedics
  • Rheumatology

Anatomical Systems

  • Musculoskeletal


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 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)


References

https://www.rheumatology.org/Portals/0/Files/SDAI%20Form.pdf