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Cumulative hypoxemia by pulmonary hypertension and survival. Heat map detailing the average cumulative daily proportion (%) of the day infants were hypoxemic below a saturation of 80% between infants with (A) bronchopulmonary dysplasia (BPD) and infants with BPD-associated pulmonary hypertension (BPD-PH) and (B) within infants with BPD-PH by survival status. Each row represents an individual patient. The cumulative proportion did not differ between any group.
