Fig. 4: CRPS Trajectories Across Gestational Age Groups. | Pediatric Research

Fig. 4: CRPS Trajectories Across Gestational Age Groups.

From: Cardiorespiratory phase synchronization maturational trajectory: biomarker of autonomic nervous system development in preterm infants

Fig. 4

Loess-smoothed trends in CRPS by postmenstrual age (a) and chronological age (b) as a function of gestational age groups (23–24 weeks, n = 24; 25–26 weeks, n = 54; 27–28 weeks, n = 97). Accompanying linear mixed models show a significant main effect of gestational group as well as interactions with the postmenstrual and chronological age trends. Trends are difficult to interpret for the postmenstrual age due to confounding between gestational age group and range of the gestational age variable. Chronological age trends show comparable decreases over the first four weeks of life, and significantly stronger increases in CRPS growth for later gestational ages.

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