aPearson's Chi-squared test with Yates' continuity correctionbStudent's or Welch's two sample t-testBMI, body mass index; F, female; HU, Hounsfield units; IQR, interquartile range; M, male; SD, standa
BackgroundProlonged mechanical ventilation (PMV) is increasingly common worldwide, consuming enormous healthcare resources. Factors that modify PMV outcome are still obscure. MethodsWe selected patien