Respiratory care
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Review Meta Analysis
Frequency of Signs and Symptoms in Persons With Asthma.
Signs and symptoms of asthma are well established; however, no study has been performed to rank them. Therefore, we performed this systematic review and meta-analysis to determine the pooled frequencies of different signs and symptoms of asthma in subjects age ≥ 14 y to develop a patient-specific questionnaire. ⋯ Asthma severity was dependent on variety of symptoms, consisting mostly of wheezing, breathlessness, chest tightness, and cough. On the basis of our analysis, we recommend a combination of symptoms be included in diagnostic-based questionnaires to aid early diagnosis.