prevalence

1. ADJ-GRADED 流行的；盛行的；普遍的
   A condition, practice, or belief that is prevalent is common.
   1. This condition is more prevalent in women than in men...
      这种病症在女性当中比在男性当中更为普遍。
   2. Smoking is becoming increasingly prevalent among younger women...
      抽烟在年轻女性中变得越来越常见。
   3. The prevalent view is that interest rates will fall.
      人们普遍认为利率会下降。

1. Despite its prevalence, schizophrenia has existed behind a wall of secrecy for years.
   尽管精神分裂症患者为数众多，但多年来这种病一直被捂着掩着。
2. In an early project, he tallied the prevalence of HIV among intravenous drug users, including prostitutes.
   在一个早期的项目上，他统计了HIV病毒在静脉注射药物人群（包括***）中的流行度。
3. Its an atlas of the distribution and prevalence of helminth diseases, including roundworm, hookworm and whipworm.
   这是一个寄生虫疾病分布和预防的图集，其中包括了蛔虫、十二指肠虫和鞭虫。
4. Widespread prevalence of the virus in birds increases the chance of transmission from bird to human.
   病毒在鸟类中广泛传播增加了从鸟类传染到人类的机会。
5. The relation between noise density and prevalence of hypertension, abnormity rate of ECG was analyzed.
   分析各岗位噪声强度与作业人员高血压患病率和心电图异常率的关系。
6. BMI can affect the prevalence rate of hypertension and the level of blood pressure.
   目的：研究成都地区中老年人群体重指数（BMI）与高血压患病率及血压水平的关系。
7. Methods The data about population antibody level and Aedes collected from former dengue fever prevalence area was analyzed in2006.
   方法收集2006年原登革热流行区的人群抗体水平和媒介伊蚊等监测资料进行综合分析。
8. RESEARCH DESIGN AND METHODS: The prevalence of metabolic syndrome and its features was calculated.
   研究设计和方法：计算代谢综合征的发病率及其特征。
9. Tobacco use prevalence among male and female youth.
   烟草在男性和女性青少年使用流行率。
10. However, no study on the prevalence of infertility has been conducted in this area.
    但是，在这个地区不曾进行过任何关于不孕症流行情况的研究。
11. The prevalence and clinical significance of orthostatic hypertension ( OHT) remain largely undetermined in hypertensive patients.
    在高血压患者中，直立性高血压（OHT）的普遍性和临床重要性仍然不是十分清楚。
12. His team found a high correlation between low vitamin D levels and the prevalence of metabolic syndrome.
    他的研究小组发现了：低水平的维生素D与代谢综合征的发病密切相关。
13. The prevalence of diabetes was higher among urban residents than among rural residents ( 11.4% vs.8.2%).
    城市居民与农村居民相比糖尿病患病率更高（分别为11.4%和8.2%）。
14. Epidemiological investigation; anxiety disorders; prevalence; risk factor.
    流行病学调查；焦虑障碍；患病率；危险因素。
15. It has to do with the prevalence and features of a disease in a population.
    它研究人群中疾病的流行和特征。
16. Conclusions: The current review shows high prevalence and incidence of common endocrine and metabolic disorders.
    结论：此综述提示，普通型内分泌和代谢性疾病在美国具有高发病率与患病率。
17. This is a key intervention in generalized epidemics with high HIV prevalence and low male circumcision rates.
    在艾滋病毒传播率高、但男性包皮环切率低的普遍流行环境下，这是一项重要的干预措施。
18. In high transmission areas, it can reduce child mortality rates and the prevalence of severe anaemia.
    它可以降低儿童死亡率和严重贫血流行率。
19. As expected, the prevalence of diabetes mellitus was highest among ethnic minorities.
    与预期相差无几的是，糖尿病在少数民族中发病率最高。
20. WHO recognizes that the increasing prevalence of childhood obesity results from changes in society.
    世卫组织认识到儿童期肥胖症日趋流行是社会变化的结果。
21. Current estimates suggest a20 to30% prevalence of depression that meets diagnostic criteria in this population.
    目前的评估表明：在此人群中普遍只有20～30%的忧郁症符合诊断标准。
22. The risk and prevalence of osteoarthritis increase with age as well.
    骨关节炎的危险性和发病率也随年龄增长。
23. A study of the prevalence of depression and anxiety after acute stroke and related factors.
    急性脑卒中后抑郁焦虑的发生率及相关因素研究。
24. STI control is a public health outcome measured by reduced incidence and prevalence.
    STI防治是可由发病率和流行率的降低来衡量的公共卫生结果。
25. Stroke prevalence also differs by race and ethnicity, age group and educational level, the researchers said.
    研究者说：由种族和民族，年龄组和教育程度的差异，中风发病率也是不同的。

noun

1. the quality of prevailing generally
   1. he was surprised by the prevalence of optimism about the future

2. a superiority in numbers or amount
   1. a preponderance of evidence against the defendant

   Synonym:    preponderance

3. (epidemiology) the ratio (for a given time period) of the number of occurrences of a disease or event to the number of units at risk in the population