Table S2. The plasma mtDNA levels among patients with different degrees of ARDS.

Time point		mtDNA (copies/μL)		P value
	Mild ARDS	Moderate ARDS	Severe ARDS
Day 1	5,128 (1,659–10,719)	16,982 (5,744–48,977)	45,005 (4,692–298,557)	0.3
Day 3	18,197 (2,951–112,201)	31,622 (3,432–155,250)	85,678 (18,633–465,058)	0.2
Day 7	1,230 (588–22,387)	5,370 (628–13,052)	15,792 (1,623–186,814)	0.03

Data are presented as median (interquartile range) for variables that are not normally distributed. mtDNA, mitochondria DNA. See Table 1 legend for expansion of other abbreviation. ARDS, acute respiratory distress syndrome.