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Tachypnea is a useful predictor of pneumonia in children with acute respiratory infection
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    Are chest X-rays needed to diagnose pneumonia?

    Dear Editor

    The question asked in a recent article[1] was “In children with acute respiratory infection, is tachypnoea accurate for detecting pneumonia?” The answer obtained was “in children with acute respiratory infection, tachypnoea had a sensitivity of 74% and specificity of 67%”. Please note that radiographic determination of pneumonia was the reference standard to which the finding of tachypnoea was compar...

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    Conflict of Interest:
    None declared.