PMID: 25730954Mar 4, 2015Paper

Tuberculosis annual report 2012--(3). Case finding and condition of tuberculosis on diagnosis

Kekkaku : [Tuberculosis]
Tuberculosis Surveillance CenterJATA

Abstract

Tuberculosis (TB) case findings from 2012 nationwide TB surveillance data in Japan were reviewed for diagnosis delay, proportion of far-advanced cavitary lesions, coexisting human immunodeficiency virus (HIV) infection and diabetes mellitus (DM), and drug susceptibility'testing (DST). Among 21,283 new TB cases in 2012, 82.4% were detected when patients sought medical attention for TB symptoms or visited medical facilities for other chief complaints. Among 16,432 patients with pulmonary TB, 25.8% had only respiratory symptoms, 31.7% had both respiratory and non-respiratory symptoms, 16.7% had only non-respiratory symptoms, and 0.6% had unknown symptoms. The rest (25.2%) were asymptomatic. The proportion of patient and doctor delays among 12,197 symptomatic pulmonary TB cases was analyzed. A large proportion--approximately 25-30%--of patients aged 35-64 years with symptomatic pulmonary TB exhibited a patient delay of 2 months. Like patient delay, the proportion of patients with a total delay (i.e., the sum of the patient and doctor delays) of ≥ 3 months decreased after 55 years of age. Moreover, the proportion of patients aged ≥ 65 years with a doctor delay of ≥ 1 month was higher than patients aged < 65 years. A large proportion...Continue Reading

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