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Improving the Accuracy and Efficiency of Respiratory Rate Measurements in Children Using Mobile Devices

Figure 1

Estimation of respiratory rate (RR) with a set size of 3 tap time intervals.

The median time interval is calculated for the set and the consistency C is derived. RR is reported and the measurement stopped if C is below a specified consistency threshold , otherwise tapping continues and a new set is created, until an acceptable C is obtained.

Figure 1

doi: https://doi.org/10.1371/journal.pone.0099266.g001