Table 2.

Cardiorespiratory conditions and managements

Ventilator modes
Assist/control-pressure control	9 (64)
Assist/control-volume control	4 (29)
Spontaneous	1 (7)
Sedatives and muscle relaxant
Midazolam	7 (50)
Propofol	5 (36)
Dexmedetomidine	3 (20)
Fentanyl	12 (86)
Rocuronium	0 (0)
None	2 (14)
Ventilator settings and blood gases at beginning of measurements
Fraction of inspired oxygen	0.47 ± 0.20
PEEP, cmH2O	7.0 ± 2.1
Arterial blood gas: pH	7.42 ± 0.06
Arterial blood gas: $\text{P}{\text{a}}_{{\text{O}}_2}$, mmHg	138 ± 96
Arterial blood gas: $\text{P}{\text{a}}_{\text{C}{\text{O}}_2}$, mmHg	36.9 ± 7.0
Ratio of $\mathrm{P}{\mathrm{a}}_{{\mathrm{O}}_2}$ to fraction of inspired oxygen	295 ± 104
Vital signs at beginning of measurements
Systolic blood pressure, mmHg	100 ± 17
Diastolic blood pressure, mmHg	55 ± 6
Heart rate, beats/min	99 ± 23
$\text{S}{\text{a}}_{{\text{O}}_2}$, %	98 ± 1
Glasgow Coma Scale	4.6 ± 2.4

Values are frequency (proportion) or mean ± SD. $\text{P}{\text{a}}_{{\text{O}}_2}$, arterial partial pressure of oxygen; $\text{P}{\text{a}}_{\text{C}{\text{O}}_2}$, arterial partial pressure of carbon dioxide; PEEP, positive end-expiratory pressure; $\text{S}{\text{a}}_{{\text{O}}_2}$, arterial oxygen saturation.