The Inaccuracy of Patient Recall for COPD Exacerbation Rate Estimation and Its Implications
Keywords: پرسشنامه تنفسی مزمن; adjudication committee; COPD; end point; exacerbation; outcome measurement error; sample size; AC; adjudication committee; CRQ; Chronic Respiratory Questionnaire; GOLD; Global Initiative for Chronic Obstructive Lung Disease; HADS; Hospital Anxiety and Dep