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氟影响人体内钙礴代谢造成骨骼、牙齿损害,为了解氟对中老年人血磷血钙的影响,在病区和非病区进行部份中老年人血磷血钙调查。调查对象为生活城区10年以上的居民,病区饮水氟含量4mg/L,非病区氟含量0.7mg/L。调查结果表明,病区与非病区40～60岁的中老年人,血磷、血钙平均值均在正常参考值之内,除50～60岁女性外,病区40～60岁男性,40～49岁女性血钙平均值高于非病区,有统计学差异,血磷
Fluoride affects the calcium metabolism in the human body to cause bone and tooth damage. To understand the effect of fluorine on the blood calcium and calcium in middle-aged and elderly people, we investigated the blood calcium and phosphorus levels in some middle-aged and elderly people in the ward and non-ward. The respondents were residents living in urban areas for more than 10 years. The ward drinking water contained 4 mg / L of fluoride and 0.7 mg / L of fluoride in non-endemic areas. The survey results show that the ward and non-ward 40 to 60-year-old middle-aged and elderly, phosphorus, blood calcium average values are within the normal reference value, except for women aged 50 to 60, ward 40 to 60-year-old male, The mean serum calcium of 40-49-year-old women was higher than that of non-diseased area, with statistical difference