3.2. The attack time and associated symptoms
Table 2 showed attack time and associated symptoms of chronic cough. The clinical manifestations of the patients in the PIC group included nasal congestion and runny nose. The patients in the CVA group presented with cough at night,in the morning, after exercise as the most characteristic feature. The clinical signs of the patients in the UACS group included cough in the morning, at night, nasal congestion, runny nose and sneezing. The patients in the AC group typically exhibited cough in the morning, in the evening and itchy throat. The characteristics of TS cough group were cough in daytime and disappear after sleep, accompanied by throat itching and throat clearing. The patients in the GERD group showed typical acid regurgitation.