Table 1

Clinical and laboratory features of 12 patients with Kawasaki disease who presented during the SARS-CoV-2 pandemic

Patient No	1	2	3	4	5	6	7	8	9	10	11	12
	Complete KD							Incomplete KD
Age, ethnicity	Infant, Latin	Infant, Caucasian	Infant, Caucasian	Toddler, Caucasian	Toddler, Caucasian	Toddler, Caucasian	Child, Caucasian	Infant, Asian	Toddler, Caucasian	Toddler, Black	Adolescent, Caucasian	Adolescent, Caucasian
Symptoms prior to diagnosis
Duration (days)	6	4	5	5	7	5	4	7	7	4	7	7
Respiratory	No	No	No	No	Yes	No	No	No	No	Yes	No	No
Gastrointestinal	No	Yes	No	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Neurological	No	Yes	No	Yes	No	No	Yes	Yes	No	Yes	No	No
KD signs at diagnosis
Conjunctivitis	Yes	Yes	Yes	Yes	Yes	Yes	Yes	No	No	No	Yes	Yes
Erythema mouth/pharynx	Yes	Yes	Yes	Yes	Yes	Yes	Yes	No	Yes	Yes	No	No
Polymorphous rash	Yes	Yes	Yes	Yes	Yes	Yes	Yes	No	Yes	Yes	Yes	Yes
Lymphadenopathy	Yes	Yes	Yes	Yes	Yes	No	Yes	Yes	Yes	No	Yes	Yes
Erythema of the palms/soles	Yes	No	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	No	No
Contact with SARS-CoV-2 case	No	No	No	No	No	No	No	No	No	Yes	No	Yes
SARS-CoV-2 RT-PCR in respiratory sample/stools	NEG/ND	NEG/POS	NEG/NEG	NEG/NEG	NEG/ND	NEG/NEG	NEG/NEG	NEG/NEG	NEG/ND	POS/ND	POS/ND	POS/ND
SARS-CoV-2 IgG	NEG	POS	NEG	NEG	NEG	POS	POS	NEG	NEG	POS	POS	POS
CRP (normal <15 mg/L)	184	73	46	42	33	165	173	128	133	229	276	241
PCT (normal <0.5 ng/mL)	0.08	3.1	0.11	0.21	0.14	6.75	6.7	0.51	0.07	4.65	3.97	2.11
Ferritin (normal <120 ng/mL)	114	358	66	450	96	67	604	219	142	563	>2000	1424
ESR (normal <15 mm/hour)	83	14	43	2	23	63	9	2	46	19	39	76
NT pro-BNP (normal <200 ng/L)	1416	647	178	291	457	7994	4510	3628	344	4840	2930	5500
Platelet count (normal 150–400×10⁹/L)	449	129	373	129	509	296	149	249	456	170	117	76
Lymphopenia	No	Yes	Yes	Yes	Yes	Yes	Yes	No	No	No	Yes	Yes
Treatment	IVIG followed by IVIG+mPDN	IVIG+mPDN	IVIG	IVIG	IVIG	IVIG	IVIG+mPDN	IVIG+mPDN	IVIG followed by IVIG+mPDN	IVIG	mPDN	None
Length of stay (days)	5	6	5	2	3	4	8	12	8	10	3	6

CRP, C-reactive protein; ESR, erythrocyte sedimentation rate; IVIG, intravenous immunoglobulin; KD, Kawasaki disease; mPDN, methylprednisolone; ND, not done; NEG, negative; NT pro-BNP, N-terminal pro-brain natriuretic peptide; PCT, procalcitonin; POS, positive; RT-PCR, real-time PCR; SARS-CoV-2, severe acute respiratory syndrome coronavirus 2.