Related Experiment Video
Updated: Jul 14, 2026
08:47
Oral Health Assessment by Lay Personnel for Older Adults
Published on: February 2, 2020
Validation of the Mayo Dysphagia Questionnaire
A B M Grudell1, J A Alexander, F B Enders
1Division of Gastroenterology, Mayo CLinic, Rochester, MN 55905, USA.
Summary
The Mayo Dysphagia Questionnaire (MDQ) is a new, validated tool for measuring esophageal dysphagia symptoms. It demonstrates excellent validity and reliability for assessing swallowing difficulties.
Area of Science:
- Gastroenterology
- Clinical Assessment Tools
- Swallowing Disorders
Background:
- Existing instruments inadequately measure esophageal dysphagia.
- A validated questionnaire for esophageal dysphagia attributes was unavailable.
Purpose of the Study:
- To construct and validate the Mayo Dysphagia Questionnaire (MDQ).
- To assess the MDQ's content validity, feasibility, concurrent validity, reproducibility, internal consistency, and construct validity.
Main Methods:
- Content validity by esophageal subspecialty gastroenterologists.
- Feasibility testing with outpatients.
- Concurrent validity, reproducibility, internal consistency, and construct validity assessed in 148 patients.
Main Results:
- The MDQ is a concise 27-item instrument, taking ~6 minutes to complete.
- Most validity and reliability metrics (concurrent validity, reproducibility, internal consistency, construct validity) were in the good to excellent range.
- Cronbach's alpha (0.86-0.88) and Spearman rank correlation coefficients (0.87-0.98) indicated excellent internal consistency and construct validity.
Conclusions:
- The Mayo Dysphagia Questionnaire (MDQ) is a reliable and valid instrument for assessing esophageal dysphagia.
- The MDQ provides a concise and effective method for measuring a spectrum of dysphagia attributes.
Related Concept Videos
01:17Assessment of the Gastrointestinal System I: Subjective Data
Assessing the gastrointestinal (GI) system is a complex process that begins with collecting subjective data. This data, collected through patient interviews, provides crucial insights into the patient's health history, perception patterns, and lifestyle habits, all contributing significantly to GI health.
Health History
The initial step in assessing the GI system is obtaining a comprehensive health history. This includes inquiring about the patient's history or presence of problems related to...
Health History
The initial step in assessing the GI system is obtaining a comprehensive health history. This includes inquiring about the patient's history or presence of problems related to...
01:29Assessment of the Gastrointestinal System II: Health Perception Pattern
Assessing the gastrointestinal (GI) system is a complex process that begins with collecting subjective data. This data, collected through patient interviews, provides crucial insights into the patient's health history, perception patterns, and lifestyle habits, all contributing significantly to GI health.
Health Perception Patterns
Health perception patterns offer valuable insights into a patient's lifestyle habits and how they may impact their GI health. These patterns include:
Health Perception Patterns
Health perception patterns offer valuable insights into a patient's lifestyle habits and how they may impact their GI health. These patterns include:
01:26Assessment of the Mouth
A thorough mouth assessment, including inspection and palpation of the lips, gums, tongue, tonsils, uvula, and pharynx, is crucial in detecting potential health issues. Diseases ranging from oral cancer to systemic conditions like diabetes could be identified early through careful oral examination. This article provides a detailed guide on conducting a comprehensive mouth assessment.
Mouth Inspection
The inspection begins with visually examining the mouth for symmetry, color, and size.
Mouth Inspection
The inspection begins with visually examining the mouth for symmetry, color, and size.
01:15Myasthenia Gravis: Diagnostic Tests
Myasthenia gravis is an autoimmune condition affecting neuromuscular transmission, causing generalized weakness in skeletal muscles. Initial diagnoses rely on patients' signs, symptoms, and medical history. The challenge lies in distinguishing myasthenia from other muscular dystrophies. An important diagnostic feature is the significant improvement of symptoms after administering anticholinesterase inhibitors.
The edrophonium test is a diagnostic tool for myasthenia gravis. It involves...
The edrophonium test is a diagnostic tool for myasthenia gravis. It involves...
01:28Peptic Ulcer Disease III: Clinical Manifestations and Diagnostic Studies
Peptic ulcer disease (PUD) presents with diverse symptoms depending on the location and severity of the ulcer. Clinical manifestations of peptic ulcer include dull pain and a burning sensation in the mid-epigastric region.
Few clinical manifestations differentiate gastric ulcers from duodenal ulcers. Distinctions in the location, timing, and pain relief are crucial for healthcare providers in differentiating between gastric and duodenal ulcers during clinical assessments.
Few clinical manifestations differentiate gastric ulcers from duodenal ulcers. Distinctions in the location, timing, and pain relief are crucial for healthcare providers in differentiating between gastric and duodenal ulcers during clinical assessments.