Gestational Age (Weeks)
No. of survival/No. of admission (survival rate, %)
21
0/1 (0.0)
22
5/9 (56)
23
11/26 (42)
24
27/35 (77)
25
45/49 (92)
26
44/54 (82)
27
48/52 (92)
28
35/39 (90)
29
21/23 (91)
30
19/23 (83)
>30
14/19 (74)
TOTAL
269/330 (82)
Table 5:
Survival Rate of ELBW infants Tokyo Women’s Medical University (1984∼2004).