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目的了解华北地区井下工人骨密度变化趋势及骨质疏松症患病率。方法采用双能X线骨密度测量仪测量2 402例井下工人的腰椎和左侧股骨近端骨密度,应用SPSS17.0进行统计分析。结果华北地区井下工人左侧股骨近端骨密度峰值出现在<30岁年龄组,腰椎骨密度峰值则在30岁~。在相对稳定期之后,骨密度随增龄逐渐下降,50岁后降低趋势明显。井下矿工骨质疏松总患病率为5.1%,但≥50岁年龄组骨质疏松患病率为16.8%,明显高于其他组。结论对井下工人的骨密度变化趋势及骨质疏松患病率研究认为,应该早期诊断并采取积极规范的防治措施以改善其骨量减少状态。
Objective To understand the changing trend of bone mineral density and the prevalence of osteoporosis in underground workers in North China. Methods BMD of the lumbar spine and left femur of 2 402 underground workers were measured by dual-energy X-ray absorptiometry. SPSS 17.0 was used for statistical analysis. Results The peak value of the proximal femur BMD in underground workers in North China appeared in the age group of <30 years and the lumbar BMD peaked at 30 years old. After a relatively stable period, the BMD gradually decreased with age and decreased significantly after 50 years of age. The overall prevalence of osteoporosis in underground miners was 5.1%, but the prevalence of osteoporosis in the group of ≥50 years old was 16.8%, which was significantly higher than that of other groups. Conclusion The study on the trend of mineral density and the prevalence of osteoporosis in downhole workers suggests that the prevention and treatment measures should be taken early to improve their osteopenia.