Table 5.

Concordance rate between LUS and CT in patients with initial severe CT scan findings.

Severe pneumonia
Chest CT	LUS
Peripheral dense pulmonary consolidations	Hypo-/echoic consolidations with ill-defined margins and mixed hyper-/hypoechoic spot within		Concordance rate
71	Yes	No	97%
	69	2
Peripheral dense pulmonary consolidations	Thickened, irregular, and blurred hyperechoic pleural + focal or confluent B-lines		Concordance rate
71	Yes	No	100%
	71	0
Peripheral dense pulmonary consolidations	Hypoechoic subpleural nodules		Concordance rate
71	Yes	No	92%
	65	6
Pleural effusion	Pleural effusion		Concordance rate
15	Yes	No	100%
	21	0
Collateral findings at chest CT		LUS findings
Signs of heart failure (n = 16)		Thickened and blurred hyperechoic pleural + confluent B-lines + pleural effusion
Overlapping bacterial pneumonia (n = 5)		Hypo-/echoic consolidations with ill-defined margins and mixed hyper-/hypoechoic spot within
Bronchiectasis (n = 15)		Thickened and irregular hyperechoic pleural + >3 focal B-lines
Subpleural emphysema (n = 3)
Lung fibrosis (n = 1)