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Previous Volume 342:1613-1614 May 25, 2000 Number 21 Next

	Since this article has no abstract, we have provided an extract of the first 100 words of the full text and any section headings.

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To the Editor: Greif and colleagues (Jan. 20 issue)¹ report that the administration of supplemental oxygen during the perioperative period reduced the frequency of surgical-wound infections among patients undergoing colorectal surgery. However, by choosing a surveillance period of only 15 days, they may have missed some wound infections. If the surveillance period had been longer, there may have been more infections in the group that received 80 percent oxygen. Thus, additional infections may have been distributed differently so that the overall effect of supplemental oxygen may have been to delay the appearance of infection rather than reduce the frequency of . . . [Full Text of this Article]

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