Table 1. Neurodevelopment of very-low-birth-weight children at 4.5 years of age according to GA.

GA, wk	No. Infants	FSIQ < 55	FSIQ < 75	FSIQ < 85	CP	Hearing impaired	Bilateral blindness
24	6	0 (0)	1 (1.1)	2 (2.3)	0 (0)	0 (0)	0 (0)
25	13	0 (0)	0 (0)	2 (2.3)	2 (2.3)	0 (0)	0 (0)
26	5	0 (0)	1 (1.1)	2 (2.3)	0 (0)	0 (0)	0 (0)
27	8	0 (0)	0 (0)	0 (0)	0 (0)	0 (0)	0 (0)
28	16	1 (1.1)	1 (1.1)	1 (1.1)	1 (1.1)	1 (1.1)	0 (0)
≥ 29	40	1 (1.1)	2 (2.3)	8 (9.1)	0 (0)	0 (0)	0 (0)
Total	88	2 (2.3)	5 (7.9)	15 (17))	3 (3.4)	1 (1.1)	0 (0)

Data are presented as number (%).

GA = gestational age, FSIQ = full scale intelligence quotient, CP = cerebral palsy.