【摘要】 目的 探讨班玛县大骨节病自然消退规律及相关因素。方法采用现场流行病学调查和访问,分析1984年至2003年班玛县病情普查及监测资料。结果①1984年和2003年7~13岁儿童X线检出率和发硒分别为42.01％、(13.316±0.0076)mg／kg和2.44％、(0.189±0.117)mg/kg。②当地居民生活水平较20年前有了很大提高。结论从1984年至2003年班玛县大骨节病逐渐自然消退,当地居民生活水平的提高,食用自产粮的减少,是班玛县大骨节病自然消退的主要原因。更多还原

【Abstract】 Objective To explore natural decreased regularity and correlated factors about Kaschin-Beck Disease (KBD). Methods Based on epidemiological data from 1984 to 2003. To look over data was concerned with the area and visit the scene. Results (1)The X-ray prevalent rates of KBD were 42.01% and 2.44%,child hair selenium were (0.316±0.076)mg/kg and (0.285±0.102)mg/kg in 1984 and 2003. (2)The quality of local people’s life was better than 10 years ago. Conclusions KBD state is decreasing regularly in Banma county. Probably KBD is decreasing naturally, and improving of local people’ s life and decrease eating of food from themselves.更多还原