TABLE 4

Uni- and multivariate logistic regression analysis of different focused lung ultrasound (FLUS) scoring systems’ capability to predict need for mechanical ventilation

	Univariate logistic regression				Multivariate logistic regression
	Relative risk	_SE	95% CI	p-value	Relative risk	_SE	95% CI	p-value
Median FLUS score	2.84	0.75	1.69–4.77	<0.001	2.44	0.77	1.31–4.52	0.005
Highest FLUS score in any zone	2.97	1.03	1.5–5.9	0.002	2.22	0.8	1.1–4.51	0.028
FLUS score >3 in any of the zones	5.42	2.67	2.06–14.25	<0.001	3.54	1.84	1.27–9.83	0.015
Count of FLUS zones scoring 3	1.48	0.04	1.4–1.58	<0.001	1.46	0.09	1.29–1.66	<0.001
Count of FLUS zones scoring 2	1.31	0.09	1.14–1.5	<0.001	1.38	0.11	1.18–1.61	<0.001
Median FLUS score, anterior and lateral zones only	2.96	0.76	1.79–4.89	<0.001	2.63	0.77	1.47–4.69	0.001
Total sum of FLUS	1.12	0.02	1.09–1.17	<0.001	1.12	0.03	1.08–1.18	<0.001