Fig. 2From: High incidence of adverse events during intra-hospital transport of critically ill patients and new related risk factors: a prospective, multicenter study in ChinaSeverity categories of vital signs and arterial blood gas analysis. SBP systolic blood pressure, SpO 2 pulse oximetry, PaO 2 partial pressure of oxygen in arterial blood, PaCO 2 partial pressure of carbon dioxide in arterial blood, HCO 3 − bicarbonate levelBack to article page