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Letters Dutch perinatal mortality

Study did a good job

BMJ 2010; 341 doi: (Published 07 December 2010) Cite this as: BMJ 2010;341:c7042
  1. Jan P Vandenbroucke, professor of clinical epidemiology1
  1. 1Leiden University Medical Centre, 2300 RC Leiden, Netherlands
  1. J.P.Vandenbroucke{at}

The BMJ and several Dutch national newspapers published many criticisms of the methods of the Utrecht study on perinatal mortality in the Netherlands.1 These include: the numbers in Utrecht differ from those in another study, and therefore can’t be right; there was no correction for confounders; the number of midwife deliveries with live births was underestimated; the study wasn’t really …

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