Table 4

Univariate Cox regression analysis of variables potentially associated with mortality at day 180 in patients with ARDS

Variablep ValueHR (95% CI)
HRCT score0.00191.22* (1.08 to 1.38)
Age0.54110.99 (0.96 to 1.02)
Sepsis0.40201.34 (0.67 to 2.67)
APACHE II score0.65780.98 (0.92 to 1.06)
SOFA score0.17240.92 (0.82 to 1.04)
McCabe score0.96090.98 (0.41 to 2.32)
PaO2/FiO2 ratio0.61191.00 (0.99 to 1.01)
Serum albumin0.09820.57 (0.30 to 1.11)
  • * Expressed as mortality change per 10% increase in area of attenuation with traction bronchiectasis on high-resolution CT.

  • APACHE II, acute physiology and chronic health evaluation II; ARDS, acute respiratory distress syndrome; HRCT, high-resolution CT; SOFA, sequential organ failure assessment.