Table 3.

Changes in mean arterial blood pressure values from postnatal hour 4 – 24

Cohort	Decrease (value at hour 4 > hour 24)	Same value (value at hour 4 = hour 24)	Increase (value at hour 4 < hour 24) rate ≤1 mmHg/hour	Increase (value at hour 4 < hour 24) rate >1 mmHg/hour
All infants	18%	5%	74%	3%
Untreated infants	20%	1%	75%	3%
Infants given any antihypotensive therapy	16%	8%	73%	3%
Infants given a fluid bolus	16%	11%	71%	2%
Infants given only a fluid bolus	28%	10%	62%	none
Infants given only a blood product	11%	5%	79%	5%
Infants given dopamine	16%	8%	74%	1%