Dysphonia Severity Index (DSI) Calculator: Discover the Calculator with Definition, Formula, Step-by-Step guide, and Interpretation for Dysphonia or Other Voice Disorders Assessment.
Step-by-Step Guide to use DSI Calculator
Clinic Information
- Institution Name: Tag your results to a hospital, university clinic, or private practice.
- Clinician Name & Designation: Build traceability for readers to know who’s behind the data.
- Contact: Optional, for follow-up or audit trails.
Patient Information
- Name, Age, Gender, Mobile, Address: Demographics for record keeping and subgroup analysis.
- Date of Assessment: Defaults to today’s date; change if you’re logging past data.
- Chief Complaint: Free text—capture patient-reported symptoms.
DSI Measurements
- Maximum Phonation Time (MPT in seconds): Ask the patient to sustain /a/ at comfortable pitch and loudness—the longest of three trials.
- Highest Frequency (F0-High in Hz): Measure via pitch glissando from modal to highest phonable pitch.
- Lowest Intensity (I-Low in dB): Instruct the patient to phonate /a/ at their quietest detectable level.
- Jitter (%): Acoustic perturbation measured by your software (e.g., Praat, MDVP).
Action Buttons
- Reset: Clears all fields for next patient.
- Calculate DSI: Runs the formula and displays a numeric score.
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