陕西省大骨节病监测始于1981年,当时在永寿县设立20个监测点。为提高监测工作的代表性和可靠性,1989年将监测点扩大到全省12个县63个点,为探索病区环境人体硒水平对病情的影响,每个点均同时采集儿童头发、粮食样品检测硒含量,现将历年X线病情与儿童发硒水平作相关分析如下。1 监测方法 在全省病区范围内,选择能反映全省病情的63 Kashin-Beck disease surveillance in Shaanxi Province began in 1981 when 20 monitoring sites were set up in Yongshou County. In order to improve the representativeness and reliability of the monitoring work, the monitoring points were extended to 63 points in 12 counties of the province in 1989. In order to explore the impact of human selenium levels on the disease in the ward environment, each point simultaneously collected children’s hair and food Sample detection of selenium content, now the calendar year X-ray disease and children made selenium level for the correlation analysis is as follows. A monitoring method Ward in the province, choose to reflect the province’s condition 63