Table 1.

The most frequent chest US findings reported in mentioned studies and their relative frequency

Author	N. of Patient	Type of Patient	B-Line	PleuralLine irreg	White lung	Consolidation	Pleural effusion	Broncho-grams	Pleuralthickening	A-lines
Huang et al. [34]	20	ED**	37.9%	15%	–	22.1%	18.8%	15.4%	14.%	–
Peng et al. [25]	20	–	NA*	NA*	–	NA*	NA*	NA*	NA*	NA*
Lomoro et al. [36]	58	ED**	100%	–	–	27.3%	4.5%	–	13.6%	4.5%
Poggiali et al. [37]	12	ED**	NA*	NA*	–	NA*	NA*	NA*	NA*	–
Yusukawa et al. [38]	10	ED**	100%	100%	50%	–	–	–	100%	–
Musolino et al. [39]	10	ED**	70%	60%	10%	10%	0%	–	–	–
Fonsi et al. [22]	44	ED**	100%	–	–	45%	0%	39%	86%	20%

*We entered NA (not available) in those cases where the authors didn’t provide a more accurate value for the findings

**We entered ED (Emergency Department) in those cases where patients have been subjected to LUS in the emergency Department