Table 2.

Association of day 0 mBAL total protein and IgM with physiological parameters and plasma biomarkers

	mBAL Total Protein		mBAL IgM
	Rho	P Value	Rho	P Value
Oxygenation index	0.21	0.074	−0.06	0.64
$\mathrm{P}{\mathrm{a}}_{\mathrm{O}}{}_{{}_{\mathrm{2}}}$/$\mathrm{F}{\mathrm{I}}_{{\mathrm{O}}_{\mathrm{2}}}$	−0.23	0.052	0.07	0.54
Driving pressure	−0.04	0.72	−0.14	0.25
Tidal volume*	0.13	0.37	0.12	0.28
Plasma IL-6	−0.004	0.97	0.09	0.47
Plasma IL-8	0.012	0.92	0.04	0.75

Analysis is performed using Spearman’s rank-correlation coefficient. Rho is the correlation coefficient; the absolute value can range from 0 to 1.

^*Tidal volume on enrollment adjusted for predicted body weight.