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Dose-Response Relationship and Irreversible Obstructive Ventilatory Defect: Questionnaire
waseltory posted:
The bronchodilator test was considered to be positive if there was 12% or higher increase in FEVX or FVC after use of the bronchodilator. Mild obstructive ventilatory defect was defined as an FE\\ of 60 to 79% of predicted; moderate obstructive ventilator) defect was defined as an FEVl of 40 to 59% of predicted; and severe obstructive ventilatory defect was defined as an FEV1 of <40% of predicted. Patients without obstructive ventilatory defect received another pulmonary function evaluation 2 to 3 months later, and patients with obstructive ventilatory defect were encouraged to receive repeated spirometry evaluation every 2 to 4 months.
Before the first pulmonary function tests were performed, patients filled out a questionnaire about the history of their consumption of the vegetable, including initial consumption date, consumption period, daily dose, total dose, source of the vegetable, date of onset of dyspnea, and method of preparation of the vegetable. A patients' medical history prior to consumption of the vegetable, including heart disease, pulmonary disease, smoking history, collagen vascular disease, and inhalation injuries, was also recorded. The questionnaires were reevaluated by a trained technician in the pulmonary function laboratory. canadian pharmacy cialis
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