Respiratory morbidity through the first decade of life in a national cohort of children born extremely preterm

BMC Pediatrics

Table 3 Causes for Admission to Hospital at Five to 11 Years of Age for Extremely Preterm Children Born in Norway During 1999 and 2000 at a Gestational Age < 28 Weeks or with a Birth Weight < 1000 Grams and a Regional Control Group Assembled at 11 Years of Age

Admission causes^a	Cases n = 138	Controls n = 7
Respiratory causes	16 (12%)	1 (14%)
Surgery	69 (50%)	6 (86%)
Hernia repairs	3	1
Adeno−tonsillectomy or ear ventilation tube insertion	31	1
Central nervous system	2
Gastrointestinal	4
Orthopedic procedures	13	3
Plastic surgery	4	1
Eye surgery	9
Male genitalia	3
Gastrointestinal	9 (7%)	0
Central nervous system	27 (20%)	0
Nutritional	3 (2%)	0
Other	2 (1%)	0
Unknown^b	12 (9%)	0

^aFigures are number of admissions (% of total)
^bParents that reported the number of admissions for their child, but failed to specify the causes

ISSN: 1471-2431