Table 4.

Correlation between the transfused RBCs and intubated time, ICU stay and Hospital stay

	Transfusion amout		Oldest RBCs age		Mean RBCs age		Any RBCs unit >14 days
	r	P value	r	P value	r	P value	r	P value
ICU stay	0.47	<0.001	-0.001	0.971	-0.005	0.862	0.001	0.976
Hospital stay	0.58	<0001	0.081	0.008	0.007	0.811	0.059	0.056

RBC, red blood cell; ICU, intensive care unit.