Lisa J. Toelle, Allison J. McNickle, Declan Feery, Salman Mohammed, Paul J. Chestovich,  Kavita Batra, Douglas R. Fraser (all Medicine) published a study "The pulmonary contusion score: Development of a simple scoring system for blunt lung injury" in the Surgery in Practice and Science journal.  This scoring system with high specificity and negative predictive value that can be used to evaluate the need for mechanical ventilation after sustaining blunt PC and can help properly allocate hospital resources.