Can proportional ventilation modes facilitate exercise in critically ill patients? A physiological cross-over study

Annals of Intensive Care

Table 1 Patient characteristics

Patient	Sex	Age (years)	Diagnosis	ICU (days)	MV (days)	APACHE II	PS	PEEP	FiO₂ (%)	Group
1	M	69	Sepsis-MOF	14	14	29	4	6	24	NAVA
2	M	53	Cardiac arrest	54	54	42	7	5	30	NAVA
3	F	53	CO intoxication	6	6	16	13	5	35	NAVA
4	M	66	Pneumonia	14	14	20	5	5	30	NAVA
5	M	54	Esophageal cancer	7	2	25	11	6	27	PAV+
6	M	72	Polytrauma	19	19	13	9	8	28	PAV+
7	M	61	ARF	32	32	22	16	7	21	PAV+
8	F	55	AECOPD	16	16	28	8	5	34	PAV+
9	F	55	Sepsis–cirrhosis	12	12	13	9	5	30	PAV+
10	M	48	Pneumonia	14	14	18	7	6	35	PAV+
Median		55		14	14	21
IQR		53–65		12.5–18.3	12.5–18.3	16.5–27.3

M male, F female, ARF acute respiratory failure, MOF multiple organ failure, CO carbon monoxide, AECOPD acute exacerbation of chronic obstructive pulmonary disease, ICU intensive care unit, MV (days) duration of mechanical ventilation (in days) at first study day, APACHE II simplified acute physiology score II, PS ventilator assistance during baseline ventilation, PEEP positive end expiratory pressure, PAV+ Proportional Assist Ventilation with load-adjustable gain factors, NAVA neurally adjusted ventilator assist, IQR interquartile range