GERD-Q Equation:
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The GERD-Q is a validated diagnostic tool for gastroesophageal reflux disease (GERD). It assesses symptom frequency over the past week to help identify patients with GERD and evaluate treatment response.
The calculator uses the GERD-Q equation:
Where each symptom is scored based on days per week:
Clinical Use: A score ≥8 suggests GERD with 89% specificity. Scores help guide diagnosis and treatment decisions for reflux disease.
Instructions: Select the frequency for each symptom based on your experience over the past week. The total score will be calculated automatically.
Q1: What is a normal GERD-Q score?
A: Scores below 8 suggest no or mild GERD. Scores ≥8 indicate likely GERD requiring further evaluation.
Q2: How accurate is the GERD-Q?
A: It has 65% sensitivity and 71% specificity for GERD diagnosis when using a cutoff of 8 points.
Q3: Should I see a doctor if my score is high?
A: Yes, scores ≥8 should prompt consultation with a healthcare provider for proper evaluation.
Q4: Can I use this to monitor treatment?
A: Yes, repeating the questionnaire can help assess treatment response over time.
Q5: Are there limitations to GERD-Q?
A: It may miss atypical GERD presentations and doesn't assess complications like esophagitis.