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Figure 1 | BMC Anesthesiology

Figure 1

From: Short term non-invasive ventilation post-surgery improves arterial blood-gases in obese subjects compared to supplemental oxygen delivery - a randomized controlled trial

Figure 1

Postoperative blood gas analyses and pulse oximetry values. Postoperative pulse oximetry - Difference from preoperative baseline. P-value: t-Test. Interaction between the study groups (ANOVA; p < 0.0001). Bars indicate SD. (n.s.= no significance). All measurements were performed after 5 minutes of breathing room air

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