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. Author manuscript; available in PMC: 2007 Jun 1.
Published in final edited form as: Anesthesiol Clin. 2006 Jun;24(2):279–297. doi: 10.1016/j.atc.2006.01.005

Fig. 1.

Fig. 1

Subcutaneous oxygen tension, the primary determinant of wound infection risk, during surgery and in the postoperative care unit (*P < 0.01) [29]. Tissue oxygenation was measured in a surrogate wound on the upper arm. Intraoperative tissue oxygen partial pressure was doubled by supplemental oxygen (FIO2 = 80% vs. 30%); the effect was less during the postoperative period. Results are expressed as means ± SDs.