Author: Flores, Juan A; Calderón, Roger; Mesman, Annelies W; Soto, Martin; Coit, Julia; Aliaga, Juan; Mendoza, Milagros; Leon, Segundo R; Konda, Kelika; Mestanza, Francisco M; Mendoza, Carlos J; Lecca, Leonid; Murray, Megan B; Holmberg, Rebecca C; Pollock, Nira R; Franke, Molly F
Title: DETECTION OF MYCOBACTERIUM TUBERCULOSIS DNA IN BUCCAL SWAB SAMPLES FROM CHILDREN IN LIMA, PERU. Cord-id: vih0m7yi Document date: 2020_7_14
ID: vih0m7yi
Snippet: We examined Mycobacterium tuberculosis DNA detection from buccal swab samples collected from children in Lima, Peru. DNA was extracted and amplified via real-time polymerase chain reaction. Sensitivity was 21% (95% confidence interval [CI]: 7%-42%) in 24 culture-confirmed tuberculosis cases and 4.6% (95% CI: 1%-13%) in 65 clinically diagnosed unconfirmed cases. Sensitivity was highest for smear-positive tuberculosis. Specificity was 99% in the 199 controls (95% CI: 96%-100%).
Document: We examined Mycobacterium tuberculosis DNA detection from buccal swab samples collected from children in Lima, Peru. DNA was extracted and amplified via real-time polymerase chain reaction. Sensitivity was 21% (95% confidence interval [CI]: 7%-42%) in 24 culture-confirmed tuberculosis cases and 4.6% (95% CI: 1%-13%) in 65 clinically diagnosed unconfirmed cases. Sensitivity was highest for smear-positive tuberculosis. Specificity was 99% in the 199 controls (95% CI: 96%-100%).
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