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. 2014 Nov 25;2:132. doi: 10.3389/fped.2014.00132

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Copyright © 2014 Baudin, Wu, Bordessoule, Beck, Jouvet, Frasch and Emeriaud.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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(A) Variation of non-rhythmic to rhythmic (NRR) index during the five consecutive 2-min periods for electrical activity of the diaphragm (EAdi) signal in infants without ventilatory support (control) and during mechanical ventilation in neurally adjusted ventilatory assist (NAVA), pressure support ventilation (PSV), and pressure-controlled ventilation (PCV). NRR EAdi, arbitrary units. (B) Corresponding intra-patient coefficients of variation (CV) of NRR for EAdi signal. Median [25–75%]. *p < 0.05 vs. control.