Table 5.

Measurements of Physiological Dysfunction

Domain Recommendations	n (%)
Arterial blood gas measurements of oxygenation*	42 (86)
Lung and/or respiratory compliance and/or elastance*	38 (78)
Alveolar fluid clearance*	26 (53)
Noninvasive measurements of oxygenation*	23 (47)
Respiratory rate, difficulty breathing, and minute ventilation*	18 (37)
Appearance of lung tissue in lung imaging	13 (27)
Dead space and/or partial pressure of carbon dioxide	9 (18)
Weight loss	7 (14)
Systemic illness and/or systemic organ dysfunction	7 (14)
Quantity of pathogen	7 (14)
Systemic hemodynamics	6 (12)
Temperature	0 (0)

^*Features or measurements that were considered as being “most relevant” to the domain by 30% or more of the respondents.