. Author manuscript; available in PMC: 2016 Sep 22.

Published in final edited form as: Pediatr Res. 2016 Mar 22;80(1):28–34. doi: 10.1038/pr.2016.58

Table 1.

Characteristics of infants with and without extreme periodic breathing^a

Demographics, Morbidities	No Extreme PB (n=1135)	>12h Extreme PB^a (n=76)	p=^*
Gestational age weeks	32 (29-33)	28 (25-30)	<0.001
Birthweight grams	1640 (1140-2070)	1075 (833-1440)	<0.001
IVH grade III-IV	35 (3.1%)	6 (7.9%)	ns^*
Bronchopulmonary dysplasia	259 (23%)	26 (34%)	ns^*
Late-onset septicemia	79 (7.0%)	10 (11.8%)	ns^*
Necrotizing enterocolitis	31 (2.7%)	9 (11.8%)	<0.05
Death prior to NICU discharge	17 (1.5%)	3 (3.9%)	ns^*

Data are presented as median (25th-75th%ile) or n(%)

at least 12h of PB Z score > 6 and >10% time in PB adjusted for GA where indicated

adjusted for GA where indicated