. 2022 Feb;28(2):411–414. doi: 10.3201/eid2802.211938

Table. Laboratory results for patient with multisystem inflammatory syndrome after coronavirus disease vaccination but no evidence of prior infection with severe acute respiratory syndrome coronavirus 2, South Korea*.

Measure	Reference	Hospital day
Measure	Reference	ED visit	1	2	4	8	15	22	29	36	39	50	60	64	68	73
Leukocyte count, × 10³ cells/μL	3.5−10.0	12.2	14.7	11.7	28.4	26.5	31.9	58.9	24.3	17.4	29.1	31.5	14.2	19.0	16.0	13.4
Erythrocyte count, × 10⁶ cells/μL	4.0−5.4	3.8	3.2	3.1	3.9	3.1	2.9	2.9	3.3	4.1	4.3	3.9	3.5	3.8	3.6	3.7
Absolute neutrophil count, × 10³/μL	1.9−7.4	11.1	13.0	10.3	27.1	24.8	31.4	54.3	22.42	14.7	26.6	19.2	12.1	15.7	13.4	10.2
Absolute lymphocyte count, × 10³ cells/μL	1.0−3.9	0.7	0.5	0.8	0.9	0.8	0.6	2.5	1.4	1.4	2.0	0.8	1.2	2.3	1.9	2.6
Platelet count, × 10³ cells/μL	130–400	169	159	157	245	168	367	282	274	269	330	177	288	277	182	186
Hemoglobin, g/dL	12–16	11.2	9.6	9.3	11.9	9.3	8.5	8.4	9.4	11.6	12.0	11.4	10.2	11.1	10.5	11.0
Hematocrit, %	36–46	33.7	27.9	28.4	34.2	27.5	24.6	24.2	28.6	34.5	35.9	33.2	30.2	33.1	31.5	33.4
CRP, mg/dL	0–0.5	30.7			>40	26.4	17.3	5.6	25.3	9.5	15.0	11.8	24.2	1.5	0.3	2.3
Procalcitonin, ng/mL	0–0.065	6.524			7.122	1.385	2.851	0.844	2.505	0.272	0.209	2.297	1.747	0.236	0.087	0.134
ESR, mm/h	0–20					49
IL-6, pg/mL	0–29.4							862.6		54.6	802.1	98.1			621.1	522.1
Ferritin, ng/mL	12–60			13,241		22,860		13,710	12,455			>10,000			4,918	3,595
Lactic acid, mEq/L	0.4–0.8	1.7	1.1	1.4	1.2	1.2	0.7	1.9	0.9
Sodium, mmol/L	136–145	130	134	139	137	134	131	128	132	137	134	137	138	138	140	141
Potassium, mmol/L	3.5–5.1	3.7	3.9	4.0	2.6	3.8	4.2	4.4	4.7	3.5	2.9	3.0	3.2	3.3	3.0	3.3
Chloride, mmol/L	98–110	100	108	113	104	101	99	99	102	102	94	98	98	99	99	100
CO₂, mmol/L	19–24	22	21	17	27	19	26	23	25
Calcium, mg/dL	8.4–10.2	8.1		7.3	7.4	7.5	8.1	7.8	7.9	8.2	8.0	8.2	8.7	8.7	8.7	9.2
Glucose, mg/dL	70–110	114	99	106	94	78	103	121	93	125	81	107	119	105	97	100
BUN, mg/dL	8–20	19.9	11.9	8.7	10.4	12.9	6.1	19.5	12.1	14.6	6.2	10.0	9.1	9.1	6.7	6.2
Creatinine, mg/dL	0.4–0.8	0.77	0.43	0.38	0.38	0.28	0.25	0.26	0.17	0.21	0.23	0.21	0.25	0.32	0.33	0.33
Total protein, g/dL	6.7–8.3	6.1		4.9	4.3	5.1	5.6	5.8	6.3	6.7	6.5	6.3	6.6	6.9	5.9	6.5
Albumin, g/dL	3.8–5.3	3.6		2.8	2.5	2.8	2.9	2.9	2.6	2.8	2.7	2.8	3.1	3.5	3.4	3.9
Total bilirubin, mg/dL	0.22–1.2	0.89		0.30	0.44	0.77	0.53	0.51	0.71	0.40	0.77	0.43	0.69	0.62	0.72	0.77
ALT, U/L	4–44	9		7	7	10	18	22	45	45	53	51	55	60	37	26
AST, U/L	8–38	22		32	31	34	50	43	36	57	50	33	31	54	45	31
ALP, U/L	42–98	58		44	65	84	98	103	185	110	130	137	115	102	80	83
CK, U/L	43–165	33	38	379			20	19	28			23			10	8
CK-MB, ng/mL	0.6–6.3	1.1	1.7	6.1			0.9	0.9	1.1			1.1			0.9	0.8
Troponin I, pg/mL	2.3–17.5	88.7	94.0	286.0		6.9	4.9	4.1							2.5	2.6
NT-proBNP, pg/mL	0–125			4,736		1,707	797	691	8,065	1,246	1,240	1,441			177	123
D-dimer, ng/mL	0–243	>3,200	>3,200		>3,200		>3,200				2,521	1,408			362	282
FDP, µg/mL	0–5	60.09			50.72		27.10
Fibrinogen, mg/dL	238–498		578		674										203	326
Anti-thrombin III, %	83–128		56		47
Protein C activity, %	70–130		58		52
Protein S activity, %	65–140		27		11
APTT, s	25.1–39.7	34.6	33.9	33.7	33.0	34.6	29.5	30.6	31.9			23.9
PT, s	9.4–13.6	19.4	18.1	15.9	17.8	19.1	17.9	18.0	14.7			14.0
INR	0.80–1.23	1.77	1.65	1.44	1.62	1.74	1.63	1.64	1.33			1.27
Anti-HPF4 antibody	Neg.			Neg.
LDH, U/L	200–400	511					1,428	1,472				1,161			1,279	1,417
Rheumatoid factor, IU/mL	0–18			8
C3, mg/dL	65–135			108
C4, mg/dL	13–35			19

*ALP, alkaline phosphatase; ALT, alanine aminotransferase; APTT, activated partial thromboplastin time; AST, aspartate aminotransferase; BUN, blood urea nitrogen; C3, complement 3; C4, complement 4; CK, creatine kinase; CK-MB, creatine kinase-myocardial band; CRP, C-reactive protein; ED; emergency department; ESR, erythrocyte sedimentation rate; FDP, fibrin and fibrinogen-degradation products; IL-6, interleukin 6; INR, international normalized ratio; LDH, lactate dehydrogenase; NT-proBNP, N-terminal–pro B-type natriuretic peptide; PT, prothrombin time.