在同一时期，结核病患病率降低了一半，从每10万人口215例降到108例。
In the same period, TB prevalence halved, from 215 to 108 per 100 000 population.
研究者界定了患病率作为“特定时期内现有的疾病人口总人数的估计”；
The investigators defined prevalence as an "estimate of the total number of cases of a disease existing in a population during a specified period";
研究者界定了患病率作为“特定时期内现有的疾病人口总人数的估计”；
The investigators defined prevalence as an "estimate of the total number of cases of a disease existing in a population during a specified period";
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