Effectiveness of polymyxin B hemoperfusion for sepsis depends on the baseline SOFA score: a nationwide observational study

Annals of Intensive Care

Table 4 CHDF-, ventilator- and noradrenaline-free days at day28

SOFA score	CHDF-free days					Ventilator-free days					Noradrenaline-free days
	PMX		Control		p-value	PMX		Control		p-value	PMX		Control		p-value
	n	Median (IQR)	n	Median (IQR)	p-value	n	Median (IQR)	n	Median (IQR)	p-value	n	Median (IQR)	n	Median (IQR)	p-value
0–6	250	24 (20–26)	169	23 (10.5–25)	0.0012	289	21 (4–25)	198	21 (5–25)	0.9257	338	25 (21–26)	278	25 (20–26)	0.9287
7–9	335	23 (15–25)	289	21 (0–24)	< 0.0001	356	20 (2–24)	294	17(0–23)	0.0118	484	25 (20–26)	390	24 (11–26)	0.0003
10–12	362	23 (8–25)	400	21 (0–24)	0.0034	382	16 (0–23)	412	12 (0–22)	0.0061	486	24 (15–26)	493	22 (0–26)	0.0005
13–15	281	20 (0–24)	334	19 (0–23)	0.8179	303	10 (0–22)	351	9 (0–21)	0.5397	345	22 (0–25)	390	21.5 (0–25)	0.9161
16–24	144	12.5 (0–22)	212	8 (0–22)	0.6808	145	1 (0–19)	215	1 (0–18)	0.6976	155	14 (0–24)	227	15 (0–24)	0.3491

SOFA Sequential Organ Failure Assessment, IQR interquartile range, CHDF continuous hemodiafiltration