TABLE 2.

Unadjusted Neonatal Outcomes by Gestational Age Group (n, %)

Outcome	22–24 wk (n = 3631)	25–27 wk (n = 5227)
Death	2219 (61)	972 (19)
ROP	337 (9)	306 (6)
LOS	1147 (32)	1839 (35)
IVH	686 (19)	740 (14)
PVL	141 (4)	243 (5)
NEC	328 (9)	578 (11)
BPD	990 (27)	2038 (39)
NDI	500 (42)	878 (26)
Death/ROP	2549 (70)	1272 (24)
Death/LOS	3014 (83)	2520 (48)
Death/IVH	2515 (69)	1446 (28)
Death/PVL	2311 (64)	1163 (22)
Death/NEC	2389 (66)	1359 (26)
Death/BPD	3188 (88)	2956 (57)
Death/NDI	2806 (77)	1999 (38)