Incidence and prevalence of tuberculosis among household contacts of pulmonary tuberculosis patients in a peri-urban population of South Delhi, India.

PLoS One · 2013 · PMC3724886 · PMID 23922784

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highly significantno p-value reported

Our study clearly shows that a highly significant number of co-prevalent (84.6%) and incident tuberculosis (70.9%) were smear negative.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.