Acute Bronchitis Severity Score

American College of Chest Physicians

angiotensin-converting enzyme

Adverse Cough Outcome Survey

Agency for Healthcare Research and Quality

bronchoprovocation challenge

Cough and Sputum Assessment Questionnaire

Chronic Bronchitis Symptoms Assessment Scale

Chronic Cough Impact Questionnaire

Cochrane Database of Systematic Reviews

comparative effectiveness review

Center for Epidemiologic Studies Depression Scale

confidence interval

chronic obstructive pulmonary disease

Cough-specific Quality of Life Questionnaire

Cough Severity Diary

European Quality of Life questionnaire

U.S. Food and Drug Administration

forced expiratory technique

forced expiratory volume in 1 second

forced vital capacity

gastroesophageal reflux disease

Global Rating of Change

Hospital Anxiety and Depression Scale

health-related quality of life

Key Question

Lung Cancer Cough Questionnaire

Leicester Cough Questionnaire

Modified Symptom Frequency/Symptom Distress scale

nonasthmatic eosinophilic bronchitis

negative predictive value

Pediatric Cough Questionnaire

Parent Cough-specific Quality-of-Life questionnaire

positive expiratory pressure

population, interventions, comparators, outcomes, timing of outcomes, and settings

positive predictive value

Preferred Reporting Items for Systematic Reviews and Meta-Analyses

Questionnaire for Lung Transplant Patients

QUality Assessment tool for Diagnostic Accuracy Studies-2

randomized controlled trial

Medical Outcomes Study 36-Item Short Form Health Survey

St. George's Respiratory Questionnaire

Sickness Impact Profile

Technical Expert Panel

upper airway cough syndrome

verbal category descriptive scale

World Health Organization