High incidence of adverse events during intra-hospital transport of critically ill patients and new related risk factors: a prospective, multicenter study in China

Table 5 Critical patient-related adverse events during intra-hospital transports (N = 441 intra-hospital transports evaluated)

Critical patient-related adverse events	Transports^a (n)	Transports (%)
Total critical P-AEs	146	33.1
Vital sign–related critical P-AEs^b	101	22.9
RR abnormality or more severe	54	12.2
HR abnormality or more severe	31	7.0
SBP abnormality or more severe	21	4.7
SpO₂ abnormality or more severe	11	2.5
Arterial blood gas analysis–related critical P-AEs^b	66	15.0
pH abnormality or more severe	2	0.5
PaO₂ abnormality or more severe	30	6.8
PaCO₂ abnormality or more severe	7	1.6
HCO₃ ⁻ abnormality or more severe	3	0.7
Lactate level abnormality or more severe	28	6.4
Glucose level abnormality or more severe	6	1.4
Accidental extubation	1	0.2
Airway obstruction	1	0.2

P-AE patient-related adverse events, RR respiratory rate, HR heart rate, 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 level
^aNumber of transports with at least one AE
^bDefined as a parameter with more severe abnormality detected (category 2 or worse in Fig. 2)

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