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目的了解近年来入伍新兵结核感染变化趋势,为部队防治结核病提供科学依据。方法于2009~2012年连续4年对驻京部队入伍男性新兵进行结核感染率调查,同时查验双上臂是否有卡介苗接种疤痕,计算结核自然感染率。结果入伍新兵结核菌素试验阳性率为48.5%~58.0%,平均为52.0%,新兵结核菌素试验阳性率呈缓降趋势。强阳性率为2.2%~4.1%,平均为3.0%,强阳性呈缓降趋势。新兵结核自然感染率为25.2%~27.5%,平均为26.3%,平均年感染率为1.59%。新兵自然感染率4年中差异无统计学意义(P>0.05)。结核感染率农村新兵为25.2%,城市新兵为27.7%。城市籍新兵自然感染率和年感染率高于农村籍新兵。结论结核自然感染率近年来无明显变化,是军队结核病发病率居高不降的主要原因。
Objective To understand the trend of TB infection among recruits in recent years and provide a scientific basis for preventing and treating tuberculosis. Methods In 2009 ~ 2012 for 4 years in a row recruited troops stationed in Beijing army recruits male tuberculosis infection rate survey, while double-arm check whether there is BCG vaccination scars, calculate the natural infection rate of tuberculosis. Results The recrudescent recruit tuberculin test positive rate was 48.5% ~ 58.0%, with an average of 52.0%, recruit tuberculin test positive rate showed a downward trend. Strong positive rate of 2.2% to 4.1%, an average of 3.0%, a strong positive downward trend. The natural infection rate of recruit tuberculosis was 25.2% ~ 27.5% with an average of 26.3% and the average annual infection rate was 1.59%. The natural infection rate of recruits was no significant difference in 4 years (P> 0.05). Tuberculosis infection rate of 25.2% of rural recruits, urban recruits 27.7%. The natural infection rate and annual infection rate of urban recruits were higher than that of rural recruits. Conclusion The natural infection rate of tuberculosis has not changed obviously in recent years, which is the main cause of the high and non-decreasing incidence of tuberculosis in the military.