Nosocomial tuberculosis transmission from 2006 to 2018 in Beijing Chest Hospital, China
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RESEARCH
Nosocomial tuberculosis transmission from 2006 to 2018 in Beijing Chest Hospital, China Zhongyao Xie1, Ning Zhou2, Yuqing Chi2, Guofang Huang2, Jingping Wang2, Hui Gao2, Na Xie3, Qianhui Ma3, Nan Yang3, Zhenlan Duan2, Wenjuan Nie4* , Zhaogang Sun2* and Naihui Chu4*
Abstract Introduction: Strong evidence is lacking to support effectiveness of currently implemented tuberculosis infection prevention control (TB-IPC) measures for preventing nosocomial tuberculosis (TB) transmission. This 13-year analysis is the longest follow-up investigation to date to identify risk factors underlying nosocomial TB transmission. Methods: We monitored all staff of Beijing Chest Hospital each year from 2006 to 2018. Age, gender, duration, department, education, income, respirator, ultraviolet, and ventilation were chosen as variables. Univariate cox regression, correlation analysis, and multivariate cox regression were analyzed sequentially. Results: Using multivariable cox regression analysis, variables of income, ultraviolet germicidal irradiation (UVGI), natural ventilation and mechanical ventilation conferred significant protective effects, with odds ratios of 0.499, 0.058, 0.003, and 0.015, respectively (P
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