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. Author manuscript; available in PMC: 2013 Nov 1.
Published in final edited form as: J Pediatr. 2012 May 24;161(5):819–823. doi: 10.1016/j.jpeds.2012.04.020

Table 1.

Rates of missed retinopathy of prematurity screening

N* % ROP exam missed P value
Year
 2005 4145 18.6%
 2006 4544 16.3%
 2007 4593 12.8% < 0.0001
Maternal race /
ethnicity
 Non-Hispanic White 3554 16.1%
 Hispanic White 6350 15.1%
 African American 1592 18.1%
 Native American 69 13.0%
 Asian 1452 15.6%
 Other / multi-racial 250 15.6% 0.093
Sex
 Female 6534 15.9%
 Male 6745 15.6% 0.65
Prenatal care
 Yes 12550 15.6%
 No 643 18.9% 0.03
Multiple gestation
 No 9615 16.2%
 Yes 3665 14.7% 0.031
CCS Level (AAP Level)
 Regional (III C/D) 4831 12.6%
 Community (III A/B) 6873 15.8%
 Intermediate (II) 757 29.7%
 Non-CCS 821 21.4% < 0.0001
Hospital volume
(patients/year)
 < 25 1842 21.4%
 25 – 49 4330 18.6%
 50-99 4079 15.4%
 >= 100 3031 8.8% < 0.0001

ROP – retinopathy of prematurity; CCS – California Children’s Services; AAP – American Academy of Pediatrics

*

Total numbers reflect data that was available in our dataset. Incomplete records are responsible for different totals in each category.