Clinical Implications of the Lung Ultrasound Score in Patients after Cardiopulmonary Resuscitation

Table 1

General characteristics of patients stratified by the level of the LUS.

Variables	Total population (n: 34)	LUS score
		Low ≤ 10 (n: 10)	Moderate 11–19 (n: 14)	High ≥ 20 (n: 10)
Demographic data
Age (year)	53.97 ± 11.23	53.90 ± 9.30	49.50 ± 12.40	60.30 ± 8.86	0.063
Male, n (%)	20 (58.8)	6 (60)	8 (57.1)	6 (60)	0.986
BMI (kg/m^2)	24.59 ± 1.69	24.20 ± 1.74	24.60 ± 1.49	24.96 ± 1.98	0.621
Duration of CPR	16.32 ± 4.68	10.90 ± 2.77	18.43 ± 3.63	18.80 ± 2.70	<0.001
PaO2:FiO2 (mmHg)	194.21 ± 65.28	262.40 ± 29.52	190.50 ± 38.87	131.20 ± 54.52	<0.001
Causes of cardiac arrest, n (%)
Respiratory	10 (29.4)	2 (20)	4 (28.6)	4 (40)	0.725
Cardiac problem	8 (23.5)	1 (10)	4 (28.6)	3 (30)	0.600
Sepsis	6 (17.6)	1 (10)	2 (14.3)	3 (30)	0.619
Metabolic causes	5 (14.7)	0 (0)	2 (14.3)	3 (30)	0.234
Brain problem	3 (8.8)	0 (0)	1 (15.8)	2 (20)	0.462
Drug overdose	2 (5.9)	1 (10)	0 (0)	1 (10)	0.501
72-hour survival rate	8 (23.5)	6 (60)	2 (14.3)	0 (0)	0.004

Note. BMI: body mass index, LUS: lung ultrasound score, and CPR: cardiopulmonary resuscitation.