Research Paper Volume 12, Issue 8 pp 7006—7014

Intra-operative hyperoxia and the risk of delirium in elderly patients after cardiac surgery

Figure 1. Number of incidences of PaO2 ≥ 26.6 kPa in the studied groups. The given p value represents the difference in the frequency of hyperoxia incidences for all data in figure 1. POD: postoperative delirium; PaO2: Partial pressure of oxygen.