资料的分析与评价通过调查,大量原始数据收集完毕,即应按调查设计要求整理,作出分析和评价。劳动卫生与职业病的流行病学调查中常用的指标有:一、率发病率=(某年(月)内新病例数)/(同期内平均人口数)×100(%)(或‰) Data Analysis and Evaluation Through the survey, a large number of raw data collection is completed, that is, according to the survey and design requirements, make analysis and evaluation. Commonly used indicators in the epidemiological investigation of occupational health and occupational diseases are as follows: 1. Rate of incidence = (number of new cases in a year (month)) / (average population in the same period) × 100 (%) (or ‰)