Effect of sleep position on (A) cerebral TOI, (B) MAP, (C) HR, and (D) abdominal skin temperature (Temp) in preterm infants. Results are mean ± SEM. *P < .05; **P < .01; ***P < .001 prone versus supine.
Effect of preterm birth on cerebral TOI (left) and MAP (right) at 2 to 4 weeks (upper), 2 to 3 months (middle), and 5 to 6 months postterm age (lower). Results are mean ± SEM. *P < .05; **P < .01; ***P < .001 term versus preterm.