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Table 2 Respiratory and haemodynamic parameters during the study period

From: Helium-oxygen reduces the production of carbon dioxide during weaning from mechanical ventilation

  Baseline Helium/oxygen after 2 hours CPAP Baseline Air/oxygen after 2 hours CPAP Statistical significance
RR, breaths/min 24 +/- 7 25 +/- 5 26 +/- 6 25 +/- 6 NS
PaCO2, kPa 5.2 +/- 1.0 5.2 +/- 1.0 5.4 +/- 1.1 5.4 +/- 1.2 NS
PaO2, kPa 11.3 +/- 2.1 11.2 +/- 1.8 12.7 +/- 2.3 11.7 +/- 2.4 NS
Minute volume 10.2 +/- 2.8 10.8 +/- 2.5 10.6 +/- 2.3 10.2 +/- 2.4 NS
HR, beats/min 89 +/- 14 89 +/- 13 88 +/- 14 91 +/- 14 NS
SBP, mmHg 128 +/- 27 126 +/- 23 126 +/- 23 130 +/- 27 NS
DBP, mmHg 63 +/- 8 62 +/- 10 63 +/- 11 65 +/- 12 NS
Temperature 37 +/- 1 37 +/- 1 37+/- 1.5 37 +/- 1 NS
  1. Definitions of abbreviations; RR = respiratory rate; HR = heart rate; SBP = systolic blood pressure; DBP = diastolic blood pressure; NS = non significant.
  2. Values are means +/- standard deviation