Table 2

The definition of modified Clinical Pulmonary Infection Score (mCPIS)

ItemsCPIS Points
012
Tracheal secretionsRareAbundantAbundant + purulent
Chest X-ray infiltratesNo infiltrateDiffusedLocalised
Temperature (°C)36.5–38.438.5–38.9≤36.5 or ≥39.0
Leucocytes count (per mm3)4000–11 000<4000 or >11 000<4000 or >11 000 + band forms ≥500
PaO2/FiO2,(mm Hg)>240 or ARDS≤240 and no evidence of ARDS
MicrobiologyNegativePositive
  • ARDS, acute respiratory distress syndrome; FiO2, fraction of inspired oxygen; PaO2, partial pressure of arterial oxygen.