Any diagnosis of diabetes, or subsequent monitoring of disease progression, requires a medical consultation and hence an entry into the patient record – and so into the practice’s patient-management information system. Logically, the surveillance system should operate by extracting the entire subset of data required for surveillance purposes from each health-care provider’s patient management information system (“front-end capture”).
任何对糖尿病的诊断或是随后的病情发展监测都需要回顾患者医疗记录并调阅病历——因此进入诊所的患者管理信息系统。逻辑上该监测系统应当从每一个医疗服务提供者的信息管理系统中提取所有服务于监测目的的所有数据（即“前端捕捉”）。