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Table 1 Nasopharyngeal and sputum paired samples tested on the CovidNudge platform, London, 2020

From: Pooled sputum to optimise the efficiency and utility of rapid, point-of-care molecular SARS-CoV-2 testing

  SPUTUM SAMPLES
POSITIVE NEGATIVE
NASOPHARYNGEAL
SAMPLES
POSITIVE 73 1
NEGATIVE 0 221
  1. Legend: Sputum samples demonstrated 98.65% sensitivity (95% CI = 92.7–99.97%) and 100% specificity (95% CI = 98.3–100%) against nasopharyngeal samples