然后,依据PPD反应强度及活动性肺结核病人检出情况测算结核感染率及患病率。
Then, calculate tuberculosis infectious rate and morbidity according to PPD reaction intensity and finding of active tuberculosis patients.
总体而言,因纽特儿童(比值比:4.22;95%可信区间:1.55-11.5)和那些与上一个哥或姐的年龄距离不足一年的儿童(比值比:2.48;95%可信区间:1.33-4.63) 相比结核杆菌的感染率较高。
Overall, the MTI rate was higher among Inuit children (OR: 4.22; 95% CI: 1.55–11.5) and among children born less than one year after the birth of the next older sibling (OR: 2.48; 95% CI: 1.33–4.63).
突出的例外是非洲,在HIV感染率很高的国家中结核发病率自1990年以来已增加到三倍并以每3 - 4%的比率在整个非洲大陆仍然在继续上升。
The glaring exception is Africa, where TB incidence rates have tripled since 1990 in countries with high HIV prevalence and are still rising across the continent at a rate of 3-4% annually.
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