# Clinical Outcomes of Acutely Ill Children According to Cycle Threshold Values of Respiratory Viruses Detected by Multiplex PCR Testing

## TL;DR

This study found that PCR test cycle threshold values in sick children did not predict hospitalization or severe illness.

## Contribution

Shows multiplex PCR Cq values lack clinical predictive value for pediatric respiratory virus severity.

## Key findings

- No association found between PCR Cq values and hospitalization rates in children.
- Respiratory support needs not correlated with virus detection cycle thresholds.
- Results suggest Cq values may not guide clinical decisions in pediatric respiratory care.

## Abstract

In this cohort study of 800 children attending a pediatric emergency department at Oulu University Hospital, Finland with fever or respiratory symptoms, the cycle threshold values of point-of-care multiplex polymerase chain reaction testing for respiratory viruses were not associated with hospitalization, respiratory support, or need for intensive care.