Table 1.

Characteristics of human infants with and without IVH

Postconceptional age (weeks)	Sex	Birth weight (kg)	IVH/no IVH	Cause of death
26a	Male	0.810	IVH grade 3	Clinical sepsis
23a	Male	0.57	IVH grade 2	Clinical sepsis
23a	Female	0.58	IVH grade 3	Respiratory failure
24a	Male	0.64	IVH grade 4	Pulmonary hemorrhage
24	Male	0.6	IVH grade 4	Clinical sepsis
23	Female	0.52	IVH grade 3	Respiratory failure
23	Female	0.53	no IVH	Respiratory failure
25	Female	0.71	no IVH	Metabolic acidosis, respiratory failure
23a	Male	0.45	no IVH	RDS, respiratory failure
24a	Male	0.61	no IVH	Clinical sepsis
25a	Male	0.73	no IVH	Metabolic acidosis, respiratory failure
24a	Female	0.56	no IVH	Respiratory failure

^a Indicates autopsy samples used for experiments shown in Figure 6. RDS, Respiratory distress syndrome.