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永登县地处甘肃中部干旱山区,平均海拨2118.8m,年均降雨量290mm,蒸发量1900mm。境内黄土复盖,植被稀疏,土地盐渍硷化严重。人畜饮水以井水为主,水氟含量平均值为6.74±1.04mg/l。病区人口93 456人,人口密度45人/km~2。调查结果,氟骨症线索调查839人,X 线拍片117人,确诊氟骨症患者56例,患病率66.8‰。临床早期分度,Ⅰ°13例,Ⅱ°8例,Ⅲ°3例,分别占总例数的57.1%、23.2%、5.4%。各年龄组、性别间患病无明显差异(P
Yongdeng County is located in the arid mountainous area of central Gansu Province, with an average altitude of 2118.8m and an average annual rainfall of 290mm with an evaporation of 1900mm. The territory of loess cover, sparse vegetation, land salinization serious. Human and animal drinking water to well-based water fluoride average of 6.74 ± 1.04mg / l. Ward population of 93456 people, the population density of 45 people / km ~ 2. Findings, skeletal fluorosis 839 surveyed, X-ray film 117 people, diagnosed 56 cases of skeletal fluorosis, the prevalence of 66.8 ‰. Clinical early indexing, Ⅰ ° 13 cases, Ⅱ ° 8 cases, Ⅲ ° 3 cases, accounting for 57.1%, 23.2%, 5.4% of the total number of cases. There was no significant difference between the sexes in all age groups (P> 0.05)