本文报告对黑龙江省克山县大骨节病区与非病区617例儿童进行病例对照调查的部分结果。调查共30项指标,本文涉及20项。看到病例组个人卫生和家庭卫生劣者居多,家庭收入低者多、高者少、贮粮处所潮湿、通风差、受雨淋者明显多、吃自产粮(小麦)者明显多、而每年吃大米50kg斤以上者明显少。从测定结果看,病例组与2个对照组相比,饮水中耗氧量和腐植酸总量、谷物中挥发性盐基氮含量和胚芽坏死率没有明显差别。对结果做了扼要讨论。 This article reports some of the case-control surveys of 617 children with KBD and non-TB in Keshan County, Heilongjiang Province. A total of 30 indicators surveyed, this article involves 20 items. In the case group, most of the cases were poor in personal hygiene and family hygiene. Most of the family incomes were lower, the higher were less, the grain storage space was wet, the ventilation was poor, the number of affected persons was significantly more, and the number of self-produced grains (wheat) was significantly higher 50kg kg of rice each year to eat less obvious. From the measurement results, the case group compared with the two control groups, drinking water oxygen content and total humic acid, cereal volatile basic nitrogen content and germ necrosis rate was not significantly different. The results of a brief discussion.