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. Author manuscript; available in PMC: 2021 Apr 17.
Published in final edited form as: Pediatr Res. 2020 May 12:10.1038/s41390-020-0952-0. doi: 10.1038/s41390-020-0952-0

Figure 2:

Figure 2:

ANS Time Domain Metrics Over Time in Preterm Newborn Cohort

Abbreviations: alpha 1= alpha short; alpha 2 = alpha long; RMS 1 = root mean square 1; RMS 2 = root mean square 2

Infant ANS metrics of alpha 1 (A), alpha 2 (B), RMS 1 (C), and RNS 2 (D), at each measurement session are shown as a colored dot. Red dots are for infants in group 1 with birth GA ≤29 weeks, blue dots are for infants in group 2 with birth GA of 30–33 weeks, and green dots are for infants in group 3 with birth GA ≥34 weeks. The solid colored lines represent the modeled ANS metric trajectory over time in postnatal age in days for each birth GA group.