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Table 2 Study 2. SOFIA®RSV performance characteristics compared to PCR in infants at point-of-care

From: SOFIA®RSV: prospective laboratory evaluation and implementation of a rapid diagnostic test in a pediatric emergency ward

  SOFIA RSV + SOFIA RSV- Total SOFIA®RSV test performances compared to PCR (95% CI)
PCR RSV + 140 47 187 Sensitivity: 74.8% (68.0–80.9)
Specificity: 99.6% (97.8–100.0)
PCR RSV - 1 250 251 PPV: 99.3% (96.1–100.0)
NPV: 84.2% (79.5–88.1)
Total 141a 297 438 Positive LR: 187 (26.4–1324.8)
Negative LR: 0.253 (0.195–0.320)
  1. Sensitivity, specificity, positive and negative predicted values (PPV and NPV), positive and negative likehood ratios (LR) of SOFIA®RSV tested among infants, in the pediatric ED
  2. CI Confidence Intervals
  3. a19 SOFIA®RSV tests have been excluded since confirmation by RT-PCR has not been done for technical reasons