Characteristics of individuals referred to Baltimore City Health Department TB Clinic for evaluation of suspected M. tuberculosis infection, by study period.

Abbreviations: SD, Standard Deviation. BCHD, Baltimore City Health Department.*Ethnicity data was based on referral documentation and/or initial evaluation at BCHD. P-value for global comparison of equality of proportions of ethnicities by χ2 test.†HIV test results are available only for those that came to BCHD for evaluation. HIV status not available for those who did not complete an LTBI evaluation at BCHD.**Includes referrals from other local health departments in Maryland and other states, as well as employment TB testing conducted through other BCHD programs.

缩写说明：SD即标准差（Standard Deviation），BCHD即巴尔的摩市卫生部门（Baltimore City Health Department）。
* 种族数据基于巴尔的摩市卫生部门（BCHD）的转诊文档及/或初始评估结果，采用卡方（χ²）检验对各族群构成比例的整体均衡性进行比较，所得检验的P值。
† 仅前往巴尔的摩市卫生部门（BCHD）接受评估的对象可获取HIV检测结果；未在该部门完成潜伏结核感染（LTBI，Latent Tuberculosis Infection）评估的对象，其HIV感染状态数据无法获取。
** 本数据集包含来自马里兰州及其他各州地方卫生部门的转诊病例，以及通过巴尔的摩市卫生部门其他项目开展的职业性结核病检测相关数据。