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Prediction of survival for preterm births

BMJ 2000; 321 doi: (Published 22 July 2000) Cite this as: BMJ 2000;321:237
  1. Elizabeth S Draper, senior research fellow in perinatal epidemiology,
  2. Bradley Manktelow, medical statistician,
  3. David J Field, professor of neonatal medicine,
  4. David James, professor of fetomaternal medicine
  1. Department of Epidemiology and Public Health, Leicester University Medical School, Leicester LE1 6TP
  2. Department of Child Health, Leicester University Medical School, Leicester Royal Infirmary, Leicester LE2 7LX
  3. Department of Obstetrics and Gynaecology, Queen's Medical Centre, University of Nottingham, Nottingham NG7 2UH

    EDITOR—We would like to clarify one or two issues raised in the correspondence about our recent paper in the BMJ.14

    The data from Trent were presented not as being good or bad but simply to reflect what was actually happening. They will become less useful with time, but, having established the methodology, we hope to offer biennial updates. It would be possible to provide a more complex model of predicted outcome using additional factors, but we were aware that …

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