[Retracted] The Value of Pulmonary Bedside Ultrasound System in the Evaluation of Severity and Prognosis of Acute Lung Injury

Table 1

LUS at D1, D2, and D3 of patients with different severity of disease (points).

Degree of condition	Case number	D1	D2	D3
Mild	29		^ab	^ab
Moderate	26		^ab	^ab
Severe	17		^ab	^ab
		19.985	14.712	24.805
		<0.001	<0.001	<0.001

Note: compared with D1 of the same severity, ^a; compared with D2 of the same severity, ^b.