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Arch Pediatr Adolesc Med. 2004;158:1017.

	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

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.

Second, it is clear from the description of the origin of the patients and the extremely wide standard deviations that there are 2 distinct populations: the very small and the large (patients who required use of extracorporeal membrane oxygenation [ECMO] ). This bimodial clustering should not be analyzed with means and standard deviations but with nonparametric statistics. Of note is the 10 . . . [Full Text of this Article]

AUTHOR INFORMATION

Kenneth Harkavy, MD

RELATED ARTICLE

Outcomes After "Benign" Extra-Axial Fluid—Reply
Scott A. Lorch and Judy Bernbaum
Arch Pediatr Adolesc Med. 2004;158(10):1017.
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