TABLE 2.

Clinical interventions in patients with and without blush.

	Blush n = 13	No blush n = 70	P-values
Mechanical ventilator, n (%)	13 (100)	45 (64)	<0.001
Ventilator-free days, days	0 (0–19)	25 (15–28)	0.001
Isolated lung ventilation, n (%)	3 (23)	2 (2.9)	0.125
Thoracic drainage, n (%)	13 (100)	50 (71)	<0.001
ECMO support, n (%)	1 (7.8)	2 (2.9)	0.553
Thoracic surgery, n (%)	3 (23)	10 (14)	0.505

ECMO, extracorporeal membrane oxygenation.