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This study used the Nationwide Inpatient Sample (NIS) database to describe the trends in types, demographics and incidence of paediatric open globe injuries in the US. The NIS database covers about 97% of the US population and about 20% of inpatient US hospitalisation. The inclusion criteria were primary open globe injury diagnosed with concurrent in-hospital globe repair or enucleation; 8943 cases were identified with an average age of 10.6 years (78% male). Average age for boys was 11.2 years and 8.7 years for girls, which was significant. There was a bimodal distribution with most cases in the 16-20 years bracket (30%) and 0-5 year bracket (26%). Cases were 37% white, 17% Hispanic, 17% black, 2.2% Asian and 1% Native American. Penetrating open globe injury without intraocular foreign body was most common and frequently increased in younger age groups, reducing with age. The opposite was noted for open globe injury with intraocular foreign body which was greater with older age. Length of hospital stay was similar across ages and gender (2.2-2.3 days). Those without insurance were often of older age. There was a difference in race for length of stay and having insurance. Incidence was more than twice higher for blacks than whites.

Epidemiology of pediatric open globe injury in the US.
Uppuluri S, Uppuluri A, Zarbin MA, Bhagat N.
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Fiona Rowe (Prof)

Institute of Population Health, University of Liverpool, UK.

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