Utilization of mechanical power and associations with clinical outcomes in brain injured patients: a secondary analysis of the extubation strategies in neuro-intensive care unit patients and associations with outcome (ENIO) trial

Table 2 Ventilator settings and respiratory parameters by hospital day

	Day 1	Day 3	Day 7
	N = 1216	N = 1075	N = 748
Ventilator mode
Volume control	881 (72%)	558 (52%)	288 (39%)
Pressure control	335 (28%)	416 (39%)	340 (45%)
Spontaneous breathing	0	101 (9%)	120 (16%)
Tidal volume, mL/kg PBW†	7.14 [6.36;8.07]	7.21 [6.39;8.26]	7.38 [6.50;8.50]
Plateau pressure, cm H₂O†	16 [14;19]	16 [14;20]	17 [14;20.5]
PEEP, cm H₂O†	5 [5;6]	6 [5;7]	6 [5;8]
Driving pressure, cm H₂O†	10 [8;13]	10 [8;13]	10 [7;13]
Respiratory rate, breaths/min†	16 [14;18]	16 [14;20]	18 [15;22]
Mechanical Power, Joules/min	11.9 [9.17;15.1]	12.6 [9.6;16.7]	14.3 [10.5;19.6]
PaO₂, mmHg^†	116 [91;158]	99 [83.2;121]	95 [81;114]
PaCO₂, mmHg^†	37 [34;41]	38 [35;41]	38 [34;42]

IQR interquartile range, PaCO₂ partial arterial pressure of carbon dioxide, PaO₂ partial arterial pressure of oxygen, PEEP positive end-expiratory pressure, PBW predicted body weight
^†The daggers highlight which data is presented as mean vs median, and then how the World Income Level was defined

ISSN: 1364-8535