Fig. 1From: Frequency and duration of extreme hypoxemic and hyperoxemic episodes during manual and automatic oxygen control in preterm infants: a retrospective cohort analysis from randomized studiesStacked Histogram of % Time at SpO2 Extremes. Differences in % Time between automated fraction of inspired oxygen (A-FiO2) control and manual (M-FiO2) control: Total %Time (A-FiO2-M-FiO2):> 98% p < 0.001, < 80% < 0.0O1, For each of the 5 duration categories (ns, * < 0.05, ** < 0.01, *** < 0.001)Back to article page