a Data are given as Median (Interquartile range)
b Comparison between variables, pre-extubation vs 24 hrs. post re-intubation
c Comparison between variables, pre-extubation vs 72 hrs. post re-intubation
Abbreviations: RSS, respiratory severity score; Fio2, fraction of inspired oxygen; MAP, mean airway pressure; PIP, peak inspiratory pressure; VI, ventilation index; Pco2, Partial pressure of carbon dioxide in arterial or capillary blood; pH, Arterial or capillary blood gas pH
Figure 1: Changes in RSS Changes in VI