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Statistical analyses of incidence and progression of retinopathy of prematurity in relation to increased occurrence of very low birthweight infants Akio Majima 1 , Junko Tanaka 1 , Toshie Kato 1 , Noriaki Kamao 1 1Department of Ophthalmology, Nagoya City University Medical School pp.1253-1264
Published Date 1981/8/15
DOI https://doi.org/10.11477/mf.1410208412
  • Abstract
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Two groups of low birthweight infants were evaluated as to retinopathy of prematurity based on records of our NICU. Group A consisted of 470 infants admitted during the 5 years 6 months ending June 1975 and Group B of 195 infants during the 3 years 1977-79. There was a significant increase in the incidence of very low birthweight infants in Group B. The increase was particularly pronounced in the incidence of those with birth-weigt of 1,250g or less (p<0.001) and those with the gestational period of 30 weeks or less (p< 0.001).


Copyright © 1981, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1308 印刷版ISSN 0370-5579 医学書院

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