While the article “Benign” extra-axial fluid in survivors of neonatal intensive care”1 was interesting from a prognostic perspective, there are several “science” issues that the editorial staff failed to address. First is the use of the word control for the group without fluid. In no way are they a control population but simply a reference population. The word control refers to a population managed in the traditional way without the experimental intervention. The 2 populations were not assigned to each group but happened to turn out that way.
Harkavy K. Outcomes After “Benign” Extra-Axial Fluid. Arch Pediatr Adolesc Med. 2004;158(10):1017. doi:10.1001/archpedi.158.10.1017-a
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