了解和分析胃肠镜检查失约原因及特点，进一步完善预约制度。

本研究选取2018年5月28日至6月6日经解放军总医院消化内镜中心预约胃肠镜检查的3001例患者数据，从中筛选出208例失约患者信息，并对失约患者进行电话回访及记录失约原因。统计并比较不同年龄组、不同性别、不同地区患者的失约率。对失约原因进行统计分析。

筛选出的208例失约患者，占总预约胃肠镜检查人数的6.9%。208例失约患者中，因身体原因失约占23.6%；因忙/有事失约分别占12.0%、11.5%；因其他检查时间长、术前检查多而失约分别占10.1%、8.7%；已在外院完成检查的患者占5.7%；已预约但是不想检查的患者占5.3%。

建议加强失约约束及特殊人群健康宣教，增加取消预约渠道及检查提醒功能来减少失约。

To understand and analyze the reasons and characteristics of missed appointments for gastroenteroscopy, and further increase the methods of appointment.

In this study, date of 3001 Patients who make gastroenteroscopy appointments in G. I.endoscopy center of PLA General Hospital from May 28 to June 6 2018 were selected, 208 patients who don′t keep the appointment were recorded reasons by telepone.The absence rates of different age groups, genders and regions were compared, and reasons of missed appointments were statistically analyzed.

The absence rates is 6.9%.Among 208 cases of missed appointments, 23.6% are due to physical reasons; 12.0%、11.5% of them were abcent due to busyness or occupation respectively; 10.1%、8.7% of them were abcent due to long waiting time of other examinations and more preoperative examinations respectively; 5.7% of patients had completed examinations in others hospitals; 5.3% of patients did not want to be examined.

It is suggested to impose more restrictions on missing appointments, strengthen health education for special groups , increase the cancellation channels and check reminders to reduce the missed appointments.