Long Term Outcome of Phototherapy; Selected Aspects of the Nichhd Cooperative Phototherapy Study
All infants with birth weights <2000 g were entered at 24 ± 12 hours of age (922 infants).
Infants with birth weights 2000–2499 g were entered if the serum bilirubin reached 10 mg/dL within the first 96 hours after birth (141 infants).
Infants with birth weights <2499 g were entered if the serum bilirubin reached 13 mg/dL in the first 96 hours after birth. Before October 1974, the level of bilirubin for accession in this weight group was 15 mg/dL (276 infants).
KeywordsSerum Bilirubin Exchange Transfusion Perinatal Asphyxia Control Infant Neonatal Hyperbilirubinemia
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