The appearance sequence of concomitant symptoms were eruct(84.8%),epigastric discomfort(73.1%),upper abdominal pain(61.4%), epigastric distention(53.8%),feeling foreign body in pharynx(45.5%),nausea(42.1%), odynophagia(15.2%),laryngopharyngitis(13.1%),chronic cough(11.7%),deglutitio impedita (7.6%) and emesia(3.4%),from upper to lower.3.

各种伴发症状出现频率依次为嗳气(84.8%)、上腹不适(73.1%)、上腹痛(61.4%)、上腹胀(53.8%)、咽部异物感(45.5%)、恶心(42.1%)、吞咽痛(15.2%)、咽喉炎(13.1%)、慢性咳嗽(11.7%)、吞咽困难(7.6%)和呕吐(3.4%)。