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Table 2 Difference in vital signs during take-off, midflight and landing timeframes

From: Safety during interhospital helicopter transfer of ventilated COVID-19 patients. No clinical relevant changes in vital signs including non-invasive cardiac output

 

Mixed effect analysis on log transformed data

 

Take-off

Midflight

Landing

SpO2

0.58

 < 0.0001

0.84

HR

0.62

0.52

0.57

SVR

 < 0.0001

0.38

 < 0.0001

CO

 < 0.0001

0.25

 < 0.0001

SV

 < 0.0001

0.61

 < 0.0001

MAP

0.55

0.81

 < 0.0001

SBP

0.90

0.90

 < 0.0001

DBP

0.58

0.27

0.30

CO2

0.52

0.40

 < 0.0001

  1. SpO2 peripheral venous saturation, HR heart rate, SVR systemic vascular resistance, CO cardiac output, SV stroke volume, MAP mean arterial pressure, SBP systolic blood pressure, DBP diastolic blood pressure, CO2 end tidal carbon dioxide
  2. *P < 0.05 measured using mixed effects analysis