BMD of healthy female living in phosporus mining area of Guizhou province.

Objective To determine the bone mineral density(BMD)in healthy female living in phosphorus mining area of Guizhou province for providing reference of osteoporosis(OP)diagno sticcriteria.Methods A total of 762 randomly selected healthy female aged 16-90 years were enrolled in the survey.The BMD of preferential hand finger and left side calcaneum were measured with a ultra sound devise(Osteo space Alara France).SPSS 11.0 was used in data analysis.Results The peakvalue of BMD appeared in the subjects of 36 to 40 years old and decreased obviously with age at 46 to 50 years.The prevalence of osteoporosis was 5.8% in age group of 31 to 35.Conclusion The BMD decreases with age and the incidence of osteoporsis increases with age among the female living in phosphorus mining area.