Multiple Regression Analysis of Airway Responsiveness in Adult Asthmatic Patients |
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Authors: | Katsuyuki Tomita Akihiko Suyama Katsutosi Igawa Kazuhiro Katou Akira Yamasaki Yasusi Kometani Hiroyuki Sano Keiko Nagata Takao Sasaki |
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Affiliation: | a Third Department of Internal Medicine Faculty of Medicine, Tottori University, Tottori, Japanb Department of Hygiene Faculty of Medicine, Tottori University, Tottori, Japan |
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Abstract: | The aim of this study was to determine which background variables exert the most influence on airway responsiveness in adult asthmatic patients. The relationships between airway response and background variables were investigated by multiple linear and logistic regression analysis in 97 asthmatic patients. Airway responsiveness was measured by the oscillation technique during metha-choline inhalation challenge. The regression analyses revealed that modified Aas score “one of asthma severity score,” was the major factor contributing to airway hyperreactivity. We conclude that the number of attacks during a previous year is the most important background factor related to airway hyperre-sponsiveness on a clinical basis. |
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Keywords: | Asthma Airway Hyperresponsiveness Multiple Linear Logistic Regression Analysis Oscillation Methacholine |
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