表 1.

芯片实验6例早产儿基本信息

Characteristics of the 6 preterm infants

Group		Gestational age	Weight (g)	Cranial ultrasound	Cranial MRI	NBNA score
Control	C1	32 weeks, 2 days	2040	Normal	Norma	35 (40 weeks, 2 days PMA)
	C2	32 weeks, 0 days	2090	Norma	Norma	35 (40 weeks, 1 days PMA)
	C3	33 weeks, 2 days	2120	Norma	Norma	36 (40 weeks, 5 days PMA)
IVH	T1	32 weeks, 0 days	2050	Grade III IVH	Focal PVL	29 (40 weeks, 0 days PMA)
	T2	32weeks, 3 days	2120	Grade II IVH	Bilateral lateral ventricle dilatation	29 (40 weeks, 4 days PMA)
	T3	33 weeks, 5 days	2130	Grade II IVH	Focal PVL	30 (42 weeks, 1 days PMA)