In addition, abnorm allag tim e (T1 ) of gastric em ptying of solid m ealw as found in 40.1% ofpilots (T1 disappeared in 32.8% and prolonged in 7.3% ).

• 全胃半排空时间（T1/2 ）与近端胃半排空时间（PT1/2）两组间未见明显不同；