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评价有关预后估计的文献,可根据以下原则:(1)观察疾病的预后是否都有统一的起始点,亦即是否都是从最早出现症状之日开始观察的或是从确诊日开始观察的?(2)有否介绍研究对象的情况和病例的来源?病人的年龄、性别、病情程度和有无并发症
Evaluation of the prognosis of the literature, according to the following principles: (1) to observe whether the prognosis of the disease have a unified starting point, that is, whether from the earliest onset of symptoms observed on the day or from the start of observation? (2) whether the subjects and the source of the cases were introduced? The patient’s age, sex, degree of illness and the presence or absence of complications