Results The cause of 97.1 perent of the patients who got chronic cough is clear , the primary cause of the disease are the airway hyperresponsiveness after infection , nose reflux , variable cough and gastroesophageal reflux .
结果：97.1%的慢性咳嗽患者得以确诊，其中感染后气道高反应性，鼻后倒流，变异性咳嗽，胃食道返流为其主要原因。
perent