Laboratory measurements, circulatory and respiratory support
	Reference	Day 0	Day 1a	Day 1b	Day 4	Day 5	Day 6	Day 7	Day 9	Day 11	Day 12
Haemoglobin, g/L	137–170	161	159	154	131	125	107	96	97	97	94
White blood cell count ×109/L	3.5–8.8	9.7	8.5	16.2	9.5	11.4	15	14.4	11.5	11.4	16
Platelet count ×109/L	140–350	245	236	197	139	82	65	70	59	88	131
Lymfocyte count ×109/L	1.1–4.8	1.8		NA	NA	0.7	NA	0.5	1.2	1.6	NA
Sodium, mmol/L	137–145	136	129	134	134	136	135	142	155	154	NA
Potassium, mmol/L	3.5–4.4	3.6	4.5	4.4	5	4.2	4.5	4	4	4.1	NA
Creatinine, µmol/L	60–105	73	77	69	83	166	105	98	142	128	127
C-reactive protein, mg/L	<10	4	6	<5	9	88	134	44	25	NA	38
Procalcitonin, µg/L	<0.5	0.06	0.06	0.1	0.9	9	17	10	2.6	0.6	0.4
Creatine kinase-MB, ng/mL	<5	NA	NA	111	37	NA	NA	NA	NA	NA	NA
High-sensitivity troponin T, ng/L	<15	590	730	1620	1820	NA	NA	NA	NA	NA	NA
N-terminal pro-brain natriuretic peptide, ng/L	<300	NA	6100	10100	17300	28600	NA	3400	NA	NA	NA
Interleukin-6, ng/L	<7	NA	NA	30	300	NA	35	46	NA	NA	25
D-dimer, mg/L	<0.20	NA	<0.5	0.56	0.67	0.19	0.28	0.24	0.54	NA	NA
Lactate dehydrogenase, µkat/L	<3.5	NA	5.1	NA	NA	6.4	NA	2	NA	NA	NA
Ferritin, µg/L	34–275	NA	220	NA	261	NA	318	NA	NA	NA	NA
Lactate, mmol/L	0.5–2.2	NA	3.4	5.1	4.7	4	5.8	NA	0.9	0.9	0.6
Impella				x	x	x	x	x	x
VA-ECMO					x	x	x	x	x
Intubated					x	x	x	x	x	x	x