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. 2017 Jul 12;21:177. doi: 10.1186/s13054-017-1758-2

Table 2.

Vital data, respiratory data, and blood gas analysis

t0 t1 t2
Body temperature, °C 37.5 ± 0.5 37.5 ± 0.5 37.5 ± 0.6
HR, beats/minute 89.5 ± 24.9 92.3 ± 26.3 90.8 ± 25.6
SAP, kPa 18.7 ± 3.5 19.2 ± 3.3 18.9 ± 3.5
MAP, kPa 10.9 ± 1.7 11.2 ± 1.9 11.2 ± 2.1
DAP, kPa 8 ± 1.6 8 ± 1.8 8 ± 2.1
Norepinephrine, μg/kg/minute 0.06 ± 0.05 0.06 ± 0.05 0.06 ± 0.05
SpO2, % 98 ± 2 95 ± 3a,b 97 ± 3
FiO2 0.4 ± 0.05 0.4 ± 0.08c 0.4 ± 0.05
Pressure support, mbar 9 ± 2.5 NA 9 ± 2
PEEP, mbar 7 ± 1 NA 7 ± 1
Respiratory rate, breaths/minute 23.5 ± 7 26 ± 6 24 ± 6
RSBI, breaths/minute/L 52.2 ± 20.7 NA 51.8 ± 22.4
PaO2, kPa 11.3 ± 2.3 9.5 ± 2.0a,b 10.9 ± 2.4a
PaCO2, kPa 5.2 ± 1.1 5.2 ± 1.2 5.1 ± 1.1
pH 7.456 ± 0.04 7.457 ± 0.04 7.461 ± 0.043
HCO3 , mmol/L 27.7 ± 5 27.5 ± 5 27.3 ± 5
Lactate, mmol/L 0.9 ± 0.3 0.9 ± 0.4 0.9 ± 0.4

Abbreviations: HR Heart rate, SAP Systolic arterial pressure, MAP Mean arterial pressure, DAP Diastolic arterial pressure, SpO 2 Peripheral oxygen saturation, FiO 2 Fraction of inspired oxygen, PEEP Positive end-expiratory pressure, RSBI Rapid shallow breathing index (rate between respiratory rate and tidal volume), PaO 2 Partial pressure of arterial oxygen, PaCO 2 Partial pressure of arterial carbon dioxide, NA Not applicable, HCO 3 Bicarbonate

Data are given as mean ± SD

a p < 0.05 vs t0

b p < 0.05 vs t2

c Calculated FiO2 after conversion of oxygen application