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It was with great interest that I read the article by Walner et al¹ in the April issue of the ARCHIVES. Second-look endoscopic sinus surgery in the pediatric population is at the present very much debated among otolaryngologists and is extremely controversial, especially as far as managed care and insurance carriers are involved. I think the topic is timely and needs to be addressed. I was, however, surprised that the article in its current format was published for the following reasons:

• The article was a negative study, meaning there was no significance between the outcome of the 2 groups. Negative studies need to be looked at a little differently than positive studies as the negative study may not have reached significance because of a lack of power. Power ( error) is mainly due to the sample size and the extent of the difference between the 2 groups. It is the . . . [Full Text of this Article]