Is there still a role for the lung injury score in the era of the Berlin definition ARDS?

Annals of Intensive Care

Table 1 Components of the murray lung injury score [[8]]

	Value
1. Chest radiograph score
No alveolar consolidation		0
Alveolar consolidation confined to 1 quadrant		1
Alveolar consolidation confined to 2 quadrants		2
Alveolar consolidation confined to 3 quadrants		3
Alveolar consolidation in all 4 quadrants		4
2. Hypoxemia score ^a
PaO₂/FIO₂	≥ 300	0
PaO₂/FIO₂	225 to 299	1
PaO₂/FIO₂	175 to 224	2
PaO₂/FIO₂	100 to 174	3
PaO₂/FIO₂	< 100	4
3. PEEP score (when ventilated)
PEEP	≤ 5 cm H₂O	0
PEEP	6 to 8 cm H₂O	1
PEEP	9 to 11 cm H₂O	2
PEEP	12 to 14 cm H₂O	3
PEEP	≥ 15 cm H₂O	4
4. Respiratory system compliance score (when available)
Compliance	≥ 80 ml/cm H₂O	0
Compliance	60 to 79 ml/cm H₂O	1
Compliance	40 to 59 ml/cm H₂O	2
Compliance	20 to 39 ml/cm H₂O	3
Compliance	≤ 19 ml/cm H₂O	4

The final value is obtained by dividing the aggregate sum by the number of components.
Abbreviations: PaO₂/FIO₂ = arterial oxygen tension to inspired oxygen concentration ratio, PEEP = positive end-expiratory pressure.
^aSpO2/FiO2 equivalent [19] used where qualifying PaO₂/FIO₂ not available.
Table adapted from Murray et al. Am Rev Respir Disease 138:720–723, erratum 1989:139:1065 [8].