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. Author manuscript; available in PMC: 2010 Oct 1.
Published in final edited form as: Pediatrics. 2009 Sep 28;124(4):1031–1039. doi: 10.1542/peds.2008-2980

TABLE 3.

Characteristics of Infants Born at Facilities With and Without Universal Bilirubin Screening

No Universal
Screening
(N = 319 904)		 Universal
Screening
(N = 38 182)		 P
Gestational age, mean ± SD, wk 39.2 ± 1.4 39.0 ± 1.4 <.001
Birth weight, mean ± SD, g 3459 ± 505 3418 ± 499 <.001
Male, n (%) 163 406 (51) 19 706 (52) .05
SGA, n (%) 3702 (1.2) 408 (1.1) .1
LGA, n (%) 8571 (2.7) 975 (2.2) .2
Black, n (%) 26 259 (8.2) 3048 (8.0) .1
Asian, n (%) 56 248 (18) 9052 (22) <.001
AAP risk group, n (%)
   Low risk 276 386 (87.3) 35 643 (85.5) <.001
   Medium risk 39 821 (12.5) 5437 (14.2)
   High risk 697 (0.2) 102 (0.3)

SGA indicates small for gestational age; LGA, large for gestational age.