Table S5. shows the plasma mtDNA levels associated with ventilator-free days and days of ICU stay.

Variable	Overall	Plasma mtDNA level (copies/μL)		P value
		mtDNA ≥18,640	mtDNA <18,640
Number	56	22	34
Ventilator-free days	13±11	7±11	17±10	0.04
ICU stay	18±9	17±9	18±8	0.37

Data are presented as mean ± SD or median (interquartile range) if not normally distributed. mitochondria DNA. See Table 1 legend for expansion of other abbreviation.