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Diagnostic performance (sensitivity versus 100 − specificity) of lytA qPCR applied to sputum and NPS samples for detection of PncCAP among patients with CAP and the sensitivity and specificity of lytA qPCR at the cutoff for positivity (104 GE/ml) for sputum (○), and NPS (Δ). The inset contains the same data but with a smaller x-axis scale.
