Table 1 Simplified version of the clinical pulmonary infection score (sCPIS)

Chest radiograph

No infiltrate

0

Patchy or diffuse infiltrate

1

Localized infiltrate

2

Tracheal secretions

Few

0

Moderate

1

Large

2

Purulent

+ 1

Temperature °C

≥36.5 and ≤ 38.4

0

≥38.5 and ≤ 38.9

1

≥39.0 or ≤ 36.0

2

Oxygenation PaO₂/FIO₂, mmHg

> 240 or presence of ARDS

0

≤240 and absence of ARDS

2

Blood leukocytes per mm³

≥4000 and ≤ 11,000

0

< 4000 or > 11,000

1